Chemistry 4th semester series (krishna).pdf

Chemistry is the scientific study of matter, its properties, composition, structure, and the changes it undergoes. It's often divided into various sub-disciplines such as organic chemistry, inorganic chemistry, physical chemistry, analytical chemistry, and biochemistry. Chemistry plays a crucial role in understanding the world around us and has applications in various fields such as medicine, materials science, environmental science, and industry.

1. Atomic Structure

‘Multiple Choice Questions
1. Correct value ofn and / for 2p orbital is:
@n=11=2 ®
Jen=21=1 (d)n=2,
2. The maximum number of Sd electrons having spin quantum ‘number
s=+1/2are:
cas? (b)10
(914 (8) Any number from 1 to 10
3. The correct set of quantum numbers for the unpaired electron of chlorine
atom is:
tan=31=1m=1, (b)n=3,1=0,m=0
()n=21=1,m=0 (dn=21/=1,m=1
4. The value of for = 2 ill be :
Ala) O and 1 (b) -1and-+1
(c) 0 and 2 (4) None of these
€] The de Ec weve i alee moving with a
ity of 10 metres per second is approximately :
(b) 10 metres
(e) 10"*metres (d) 10/#metres

(6) Tre orbital angular momentum oran electron reveling an obit sven
CARE Th ment or an sico wil be un

1h L =
a “ah, On Wes
= y e

7. The number of nodal planes in a p, orbital is:

la) One (b) Two (c) Three (d) Zero
8. The energy of an electron in a hydrogen ion depends on :
‘quantum numbers only.

(c) Théprinciple, a a ad

ic and spfnguantum number

1) The Frowiple. ach

i
4
4
i

I S
surf é

RAI Ado
‘

se
1. 2p mares fun a1 rt
(ajn=1,1=2 y (o)
()m=2,1=1 ()n=2,1=0
2. Bm amie deem sa +1/ 225 3a cars À aire A aA went
CE (0,10

(01141075 De

(o) 14
3 ata srr eg en al at
(@On=31=1.m=1 &n=31=0m=0 |
(On=2,1=1, (On=2,1=1,m=1
Fame en = 23 fe Hr ei
(J071 (z+
()0a2 amaia
5. Bara ren ze 60 mm dran AH 10 to wha do A ra
A ré rem &-
(a) 10 #0 @)10* fo
(e107 Ho (210% Ho
6 aa aa ware aa opt e
amd an ar gg re en
ih % h D
Ar. , 0m CEA CHE

7. pes À en ae À ten 8
(us wa Ch Cul
8 RRS omar a gaa aA sal Pak rc à
(a) dae qu aan Her
Cet ar RNA tem sen me
(0) re en, neh e qua ie eue
ager fm rasta een aie Y

2. 5 and Analytical Techniques

Fora electro, the orbital orgular moments

sesame
tos et has a wavelength, of 45x10" m. What is its ma 4 13
approximate mass? 10. vas aren Ren tc en a o to, Sera Pa Zag
az ()10% ig | (10 ka LA
(d) 7.73 x 10% kg 0 (41773 x 10% kg

11. The electrons, identi (04.9x 10°” kg
tor Sa tape ey anti number mand n= 4, 51, phage Pre aware aia HON al. (i) n=41=1 (n=,
increasing energy, fom the ton eS = Lean be laced im onder of | E ga na 1 A of, À A

<A) < (0 < (i) | sor cara &-

a, Le) (0 < (itl) < (1) < (iv) am <W <<a 4 (a) tiv) < (ay cH) < m (b) (i) < (iv) < (5) < (i)
Ground state electronic configuration of valence shell of Arsenic atom con be i =) < (i) < Ww) NS < (0
represented by : az a ss EA

A el
eR AGA “mM a ‚gel VU EE AO NE

(o ]

13. The numberof d-lectrons retained in Fe?* (Atomic number Fe = 26) ion is: | o Ele: ol) u GET)

3 4 (05 Ay 113. Fe® Sera (aM aH 26) À d yeah at ve &-

1 a un ko vang A (a3 (b) 4 (5 (46
ve ‘energy! ES fem 5 Aisa

er 4 14. eee
ms 2 1 3 "Le ms Bein «
4 3 0 ws 0 0 - e Wa Dane) |

15, ee CS re! as 0 0-3
naa el?

(a) 8 ER (18 32 yon“ | 15, em guar frets fen = 3,1 = 18, Art ger we ed 2

16. The order of filing In the orbitals of an atom will bo: i (18 (06 “ois (a) 32
(0) 3d. 4s, 4p, 4d, 58 Sos, 34, 4p, 5s, 4d ES
(c) 5s, 4p, 3d, 4d, 58 (d) 3d, 4p, 4s, 4d, 5s (a) 34, 48, 4p, 4d, 55 (b) 4s, 3d, 4p, 5s, 4d

17. Which of the following sets of quantum numbers represents the highest ee ee
+ an a NE ¥ i (En Am Sa Id, 4s (d) 3d, 4p, 4s, 4d, 5s
e 17. anat — wat
(eine AIR (n=31=0m=05=e à | 7. & Pret eyes à À aha sat a
2 (in=4.1=0m=05=+1/2 (b)n=31=Om=05-+!

Pebmetsesi/2 da

jot

3. lo AS ON ¡E

18. Magnetic quantum number shows ;
18, qua ao Hea feu $

(a) Structure of orbital
(©) Shape of orbita
\ (@) Ma (a) zus oh ten (0) er A hr
+ 39. Presence of three unpaired electrons in nitrogen atom car be explained Cholla dal
(a) Paul's Exekision Principle mine Ayo. gora wem À a sate gd sift a
(c) Aufbali Principle ( ia | u a
« 20. The uncertainty principle was given by : (a) Sich ar grata Prem 0) rs aH far
(a) Einstein NS shee Bem e
Oe à (&) Pau 20. ff a Par Re mar en
21. de Broglie equation is: J il Oy ERs oro
mare iaa (a) oe ara
yeas) ja re rh
A I aa ma Wat ua
à m
22. ‘Energy ete ar eee 22, vo Sa Tor a a fe sre 8
2 JT (a) ger aie ten (0) Roi aies eg
(0) Azimuthal quantum number | © a PEN des
(©) Magnetic quantum number * _ (d) Spin quantum number N a ae ey
23. The shape of p-orbital is : ea ö re
(a) pyramidal (b) spherical (Ohr er
(c) oval 2. (250 Ra a?
24. The maximum number of electrons in fsübshell is CE . @)10
(5 (6) 10 7 > (7 yo (1a
(25) Fora guen ale he vales magna quantum number mate aveny: 1 25. SS
5) gir+1 Cory wise re wir war ale?
26. Aufbau principle is not followed by : 026. rs & Regret as over ae en E
(b) Copper and Iron yin | (e) Sir a far (b) She a SET
ci Iron and Silver (d) Silver and Nickel Hl (e) mar a RER (a) Red Fifer aa
27. if an electron has numbern = 2,1 = 1, itis in orbital : 27. aft Ra ma RRA A a Wom n = 2,11 8, ae PR AS
(a) 2s (135 x (a) 3p pea?
2 s° 2 (0772 CES (sp
» 28. According to uncertainty principle La seam Pr que
(a) E=me tjE=me *° CRE
raro 2 pe |
$ Dis

4. 1
RE,
sil

Lio = 3 auantum mechanic ‘and Analytical Technig am va, a dr
29. After completefófiling 3p orbital in atom, the new elec enters in 29, Ip 127 |
(3d (4p (0) 44 Oe emia (0) Rara aaron een |
30. lindicates quantum humber 30. 1er mien ER, eat
(a) Principal quantum number Maa aa =
(0 Subsidiary quantum number (8) Both (b) and (0) (o is daga à à €
31° M otbit can have maxim : | 31, M wan à fra ene CEA A
CR (032 (a2 (018 A Brant arten da es m a
33. “The folowing is Von es, No tuo don ME ean ERTS eue 2 paa "Pedi sR
value of all the four quantum number" ete ara ae fa
(a) Aufbau principle (b) Heisenberg uncertainty principle (a) ators 1 en (des a fen
Id) Hund's rule A BH WSS A Het
33.1 two different types of orbitals have the same value ofn + I, which is led fst? m pee eos ae
(a) having same value of n q (85 À nor à Su Ben
{c) having higher n value ( we of these y as n HI à SES (a) =
£ 34 Which set of quantum numbers can not exist? E fed u eo en ah an a ea
/ nlm . . In s
= Son E Cita a 100+ 1
1 A 104
(100-5 CES ions (a)210+5
2 of which orbital > cat?
2 35. Double dumbbell shape is of whi : ER Bat
A @s bp war Se a GP a ws
36. s-orbital is in shape : Aha 3
(a) dumb bel Oe = rente (WIR (Omar eee
37. What is atomic number of element having four quantum number of last Re ARA Fee a ation Venen = 5,1 = 2,m = «1,5 + 38
electron aren = 3,122 ma 41,8437 Bt egy som oer Bh E?
d wm a 0m Ws a AS
à le: E RT (BAIS WET 29) À Fear Riven 4
> oh Ta een ere ial en abt en fay
er Ra Ro arten RER amet ac à
39. Wat represented by ba ; De vn
orbital ¡dei Shope of orbital"
a of orbital (d) Spin of electron Le) are or fier (¿RARA A ae
© notas ee | 40. on Ft Bre a Re à A A
Hand's ew » (b) Heisenberg uncertainty principle Aa) BOS a Rr rra a y
Pr id) None clipes 1 ias on fern (aye ES
= + Ex

, SR ee
A A

5. 2 N
ao

[22 19 aan tecnanics ana Analyica Techniques

Answers

He 40 #0
II

14. (b) ()
ER ie

te)

13. (A 14.

18.19
23. (d)
28. (0)
33. (5)
38. (cd

19.
24.
29.

34.
39.

(a)

wi
©

25. 0
30. (à)
35. (a

Aa
on

ES

ES
a

ya

6. à
your
De ul
,
up“
as
Questions
1. Whosu
® > ‚ccessfully explained the phenomenon of photoelectrc effect?
Le (b) Maxwell
(& Planck
2. Which of the following is de Broglie equation?
m
(Rune
(dE=me de"
a
3. Which is incomect equation for Heisenberg Principle?
NUE
vu N h h
er è (Axxau 2h (0) ax xm avg
À % x Which is Stefan Boltzman's law?
y (2) =T? WET ET (Ej «TS
e) ‘The number of orbitals inn = 4 is
2 CE JE CE
6. The total wave function of molecule ing to VBT is writing as:
BY = waa 6)
Ov=va (a)

7. The value of ‘a’ in Schrodinger wave equation

2,
Va willbe: ot”
(a) 1 CE: CE
Which of the following molecular orbitals has highest energy?
tb) mr2p,
(e) me2p, yl la) 0 2p,
9. Brief format of writing Schrodinger' wave equation:
(a) Ay = Ay (0) (0) = y (0+ Ahr)

IÓ Hy SEM

J

earg-Il

$
— seen Rg sh oN?

nee oss
à (ds
(ose
EZ faa à at a ator 2? ee
ape (0) mor =
(dE-me we-=
a, Pr 8 ata o na Pr fe ed
(0) a ap> de (0) 4x: 4p > >
en (d) Ax xm x Au,
(e) Annan. 2 q
a fiar Pan é-
GET BET WEIT! (WE-T
5. nao à en a
(2 CE (916 ax
6. VBTS aga, I aT Het ae wera fa aa 8

»

(y = wave oly = at Ya

(Ov=Vare (y= vas

Aer E EY Bene uni

@1 ORT CE (a

FTAA fox ses dí sions $?

fa) ES (b) x"2p, (ci x'2p, (e) 02,
AR taro a Rea a fa atom à

(0) Ay =Ay {b) y (0) = y (0 + 2m)

CHEN fi

7. 10. The relation between frequen: E

19 (1), velocity (c) and wave number (3) is: | —
= Zum 6) 10

Lis 8 cuanta nest Ics and Analytical Techniques |
|
|
I
|

AA YN

IA v. fe 1) aan aren on 9 85 ta ar à

y (b)y
ia @v-° av} vee uw
tee me y
a wae 2 the following molecular orbital has lowest energy ? 11. Fe à à favs ry ares À at gm +
(o2pe (a) 02 (ar, Wow” zp,
(0° 2pe 12. 3p rs À ue À Bh om 8
12. The total num! ‘ E
A e e Fo Sp orbital is (10 (1 «2 aa
\ aes doa to Conrad ilk ome (4) None of these ca ea à se 2 =
i ph h(1 - cos8) h
NT ? à (ee as ie ar er
e m
Ye meC-(1 - cost) H me a
ni A (q ME lana ne (a) A a ni
en «14. Kirchhof ais: ] 14. foto Pram 2
E A.
Le CEE CEE
Ase, yo x E
aa CE AA akg 28
Eu (d) None of these ss
1. raté
+15. A P
bapa, dic te E, (a) Bh oer aa e
A rays a
(Awtichabsorbsredlight V fa) None fiers Oña a ac a à
16. Fora black body in thermal equilibrium, emissivity eis: OR ae
(a) 0 (b)e=>1.0 CHE ECS
eS tes 01 dada gers RARA ed
What is? bis known as? Sy laje=<L0 (le=>10 Ke-10 @e-01
(a) Siefan-Boltzmann law D À qa Td
se Premian (d) None ofthese eee
Planck's constant is: i - a
(a) 6.626 x10 y. sec (1) 6.626% 10% J sec | is er ee
3 Bi ai *
be st aria ee | (16626 1077-0 do (0) 6626 « 10° go do
> 18297 210%° va ve mern: 16626410 * go do {6 626 x10% go do
Lu IA oe: P19) We A Pa GR 5.357 x10 "uf do à où sofa

(0355010
54 ¡e

qe

(4) 3,550 x 10% y

ah

(5.990.810

1030

(a) 3.550 «10° 301
æ Mg ut

8. venta wath recto Ml

20. Photoe

tis shown by elements having

(6) high ionization energy
(4) very high ionization energy

Ist ejert electrons from element suiface

(c) mod

tonization energy
The minimum frequency which can jy

known as

21

(8) Kinetic en«
etic energy (0) Potential energy
(4) Fixed frequency

22 "ay of ejected electron in photoelectic effect is

(0) KE = vo = hv
pm KE = hy =
a (a) None of these

B- The ratio of heat capacity of C, and €, is denoted by y right value of yi:

faly= G lc) y = Se
(y c (d) y=
24. Heat capacity is the amount of heat er lired to change
temperature of a substance through : eae see
Fe Ha Both (a) and (b)
025. Zeeman effect is the effect related to +
= (b) electric field
(©) Both (a) and (b) Id) None of these
26. Compton wavelength of the electron is :
CE CEE
27. Equation À = Li known as:
A e
(a) Heisenberg uncertainty equation = rt |
xe
(<) Kirchhoff s equation
(4) None of these
28. photon of wavelength 640 nm will have energy
1 (6) 31.06 x 10°" J
(0) 0310610 5 N" (4) 3.106 «10 y
#29. H is called as ;
10) Laplacian operator (b) Eigen function |
di Nore y

on sona energy
|
|
i

rat

io AR
es a (ay se Te sy
ae geen ere Pere à f =I TE ù
21 area il
(a des art (ay Rare orgs

à 22. go À Re eg otf 8

(b) KE = hvo = hv

(a) KE
‘ Chassis sul

À 23. mafiosa aia BA El a rte

G
(ely=C,-C, ace

&

Mc | @
wre

24. son eae ep a, ot a à eu TORRE

Sas tl |

@1 rc CE (want
25. Sa were Pra À À Rat rahe de
Co) gata à | (aga or
(ost (aa) | (a) Fa a BE ae
26. ARA ane a
mL mie om wi
re m ©

2. art amt pr
a (A a
(0) Recs amas CRE ES
23. 00 640 nm ame a a

(3.106 «107183 i (6) 31.06 x10" J x
{el 0.310610" y (d) 3.106 x 10° J À
D. Haar NE
(a) ere sitter (0) aa re

fer Miri sider fay gad) à ad Ai

SS 4 |

9. LS

30. Molecular orbital theory was pro
(a) Hund and Malik

oposed by

Ab) Leonard Jones
AAT Al of these

32. Choose correct statemen: abound:

Bonding molecular orbital

(b) has more energy than atomic orbital
€] both bonding molecular
(d) None of these

35. BMO is formed from atomic orbitals by :

(a) destructive, overlap
(e) addit® overap oe {b) and (c)

34. How many nodes are in 4 orbital?
(a) 2 (0) 3, (4 (d) zero
35. In MO method the orbitals are represented by the symbols:

(es, p, d,f (0) x, pe Py Pe
Dm, m, 1

(9) 0

37. Which of th following statement is not true? oh”

(e) The molecule is unstable if bond order is negative to zero
(b) The molecule is stable of bond order is positive

(c) Bond order is inversely proportional to the bond length
\ [8 Bond sion eer Ines proportona tte bond order
38, Ifthe wave of an electron is y, then the probable density is:
Ks

A) Quantum Heenangand Anaya Tecnica
tum Mechan an mue

orbital and atomic orbital have some energy

eee

Elementary Quantum Mech

“Os

- af

ao) ears re Pre 4 Per rae Pr?

30
q to (0) tré atar
Cul ores
31. créé ay aver à
(a) on ara ds Rare free à are À
Co) er aa aft ater rer ot tes A $
(ds e aga rer ase een À
CLR
32. dfn 90 aser ds fares a ara ah a
(0) O wares a Be geht of a Bt &
(TE wa A ren gere of fes RA E
Chi aera a ge xf arr cet $
Ma en
33. din a] ware VO were à Pres are aaa $
(a) RA Sera (0) mr after
Came Ad) ENT (c)
34. As er à Remi ats athe
(a)2 3 CE Cha

3 ee.

un. Ra Be 1

(ds CET

(cl 0,2, 4x nm

5 va o areas ders at A y apa Reg sai wee
DIS DA) im ao

frei a a wert a adi 8? y

Ce) ray seu ater à af au oH a À aa à
Co) Se er hen & af dt x ice ts ern €

Le er ten, er ware & eee te à

(a) de Rec sat de wa an à RU er à

38. aft gérer aan er 8, Resa Ure

jo” (dy?
ir (6) 2y my OE ot wy CE av
it ar als is nol possible in ES i
S ano 1 (ay Pron de wager
14) All ofthe ae ae (aga aa aa

10. 40. When a ch

the system?

Quantum eel and an

*! bond between two atoms is formed

(0) Increases

8 the cómo

di, aver (4) None of these

(a) under estimate
) under est "es the importance of covalent structures

of the above
42. A molecule or ion i stable tf
(3). N, = N, ON <n,
. (an,
43. Energy of the Particle in one dimensional box
Wo?
DES
an E
(Ej Se (d)E,=
En ME gr

Put forward initially
(a) Einstein
(©) de Broglie (a) Lambert
445. One of the commonest form of: Fave equation is:
tvs ee yao
(vy Se yo (d) None ofthese

46. Which of the {allowing is correct for the wave function?

47. The highest bond order is in :

(0) O, pro; (0;

AUS
48. The comec order af molecular energy evel =
()E;>E, >E,
(OE, >E,>E, (ME > FSE,

49. The orbital with one radial and one angular node is;

490 mare Rett oor Mom ore the te à Pr À à
(a) 8d QE ag tas
ne J xo (a) 8a DE CE
‘i Ta

ER
| ——.

pl a con Ein A as

40.
Lil
ra à
a à eu at
Me aaa

| at mame

|

4

4

fementary Quantum Mechanics
jementary Quantum Mec

RES
A a

aa a a RA re à à

(aa à aE sé
4 a2. ara an ores eut à af

(ON, <N,
=N,
gab ew enh rev oa a
pe 2 né te
qu ee DER OFA ab
aa. re de ar) Been Rae a fe Rr mn
(a) ERE ista
(dare CL
45. MET min har ar eer rá 3
av + ME vy =o vey Ae "

IN dl
RA A ae a BP

(am (yaa sant athe
LOT CES
1 Fer Re eg $ :
to 0105. 00 0%
48. SR SH eet ay BEL wa
(ESE >El (0) E, >E,>E.
| (E.>E, >E, (WE, >E,>E,

ae

11. Tu

la

50. The expression
The exp for the function Rb) for 2s orbital is

“laf ka

(o)

ut awe als
la] |? ar
(d) None of these
51. The s orbitals of any atom are
(a) Dependent on sin @
(b) Dependent on sin 8 cos@
(e) Dependent on cos

& Quantum Méèianics and Analytical Techniqu

ol = Her, x

Zu a E ER, à Pro ma À

a] ESI

A

2) «|
DEA E PEAS de
oa) 14}
(6) FR à BE AE
51. GA swarm Bak en $
baa’ ia 8 cos
ey (039 Pr a
eat
we wo Es =
FAT
BR so) le = GB
a sm Sa We
6 1 AS. (a)
18. =o
ES =.“
28 $. a
33. 35. ©
38. 40. @i
as. 45. le)
4. 5. &
= 009

12. 4
UNI =

H a RAR
Molecular Spectroscopy 2 “4 ar dé
Multiple Choice Questions wet E
1+ Wavelength and frequency are related o each thera: 1. tal a safe à Fes rar &- Ree i
AS Wives (av.=e we CLSE ès
res {Hi orties pa a Be >
2. Wavelength of UV-region in meters is: HALL LASER
(10° oe ee A Bee na Rage free
3. The component that converts spectral radiation into signal and then detects it Beet.
Bees DEL
(a) Analyser (0) Modulator (a) Ja
o Rx (4) FAR BES
AS Detector (a) None of these _ ay
4. Vibrational degrees of freedom for CO molecule is: oe où ae
nn wo (02 ax ar = :
5. Total degrees of freedom for any molecule having N atom is: 5 99 BRAN TEM a, & fee ga ari?
Mans 3 (Wan W3N-5
pee (@) None of these ()3N-6 RR
+6. Value of which type of energy is maximum? 6. RAS fea mon a sof ot a fes da 4?
(a) Rotational + (b) Vibrational (qua nad
(d) Translational 3 (AR (e) ¿Rara
7. ‚The correct order of various types of molecular energies is: 7. MARA en wa e *
WIEDER DEE Ep > Eon > Eger > Ey (Eq > Eqs E
(Een > Ese? Ena Fes (d) None of these a PAT
8 Vibrational degrees of freedom for polyatomic non-linear molecule having N ES stay à fore Brent N qe à, TT
atom is given by: BR A den gra eee
(a) 3N-4 (0) 3N=5 G3N-4 &)3N-5
(d) None of these ()3N~6 (aa
9. "The frequencies in NMR spectroscopy lie in: | 9. NR à re sigh Hier =
(a) Visible range: (b) UV range Cal ta da parda aa
Awe ol ign ' ei RISA sHigits ela (ed) BAH aa

ES dl

13. 10. Out ofthe following which electronic transit

Meewa

N required maximum energy?

teca Spesen MY 2

10. Fre aber phages ta fora men re
non as aie (nn
ween elec ae (ana (aro
of olowing molecules ges microwave spect
(a) He WC A luca, 11. Pre a ahaa ary a tag ar #2
= - f (a) H, sc, (HG 1000,
12. Tratomi molecule H,O has the number of modes ofthe vin es $
3 6 (04 (a) 9 12. 06 Process] H,0 À tern ds wart ah sizer #-
13. The selection rule of rotational spectrum is 203 6 04 9
fa) Ad = 41 (AU = $19. gota ap & Pre au Prem é-
as (d)aJ=0 4 (JaJ==1 (b)aJ=-1
14. Bathochromic Shift is towards: 4 ae @ar-o
(a) Shorter wavelength Ab] Longer wavelength À 10. RAR air
(e) Higher intensity (d) Lower intensity Ss mat (0) afro
15. n—> n° transitions are obtained: (a An (4) Aa
Aa) 200 nm (0) = 200mm dia
(c) 300 - 600nm (d) None of these (e) < 200 nm 6) 2200 nm |
16. According to Bom-Oppenheimer approximation which energy is not (e) 300-600 nm aaa
nn 7 16. Fab erie Rara à agar ahh TE
Es (+) Vibrational energy Qe a (0) deers st |
(€) Rotational energy (@) Translational energy Chic Met |
17. The fundamental vibrational frequencies in the IR spectrum of CO, are: 7 co, RE der t-
(a)1 (b)2 (3 an us ae es ws
18. Which ofthe folowing molecule show Raman spectra ? ee ato
ROUE i am
i (2) 0, IN; a, a
19 ne H De agit, GT res
am omen ro ve
{in cm), the vibration energy is given by: lo Een
sat =
(WE, =2 how, BE = (o-3 19 1 A i vin
2 a (Ey ho A
Aero wee ra) wk am WE, =(o+ 5)
20. Which of the following diatomic molecules will not give a rotational 2

spectrum?

(NO (HF co

Nez

| 20. eat ten from a ut tag im

bi

14. be 8 cu

21. Which transition is not posable A haem em a ah
Mich transito boat ae ne 21 wate a Ta
I ee = -
‘ nao ns re Wade line (ins
22. Which of the following molecules wit ; pec! 4
ing molecules wil represent vibratlonal Raman spectra?
es tional Raman spect

2 Pre HR aha ar daa a eta ah are atm?
DLR (HI (aco CES
23. ean BHR v= 15 dé ar O me

(co (4) AN of these
from v= 1 is known as:
(b) First overtone bond

(d) None of these (a) er ds. baca
The comect expression ol rotational 1 er Reta shares A gr à RS
h A $
Me WU $2 Bremer
25. Rotational energy of a rigid rotator: H tal ES Mac nic
4 :
+ Ra €, oat
= B,J + en (4) Al these E 25, d+ van DE ee
26. The electromagnetic radiation of higher wavelength has nergy. ESB aaa
{a} bigher AB) lower ees 26. tes ated data Ra ae er te
Ic) Intermediate (d) Zero god en ar
+ 27. The unit of force constant is; 4 ae
(mers
aes 2. fe y
(à) None of these () i Del
28. Trae ing nes ee Oben inthe specu of a domi molec Ru
118, 135, 152, 169, 186, 202 cm”! H Desi amaia
The relation constant B for this molecule is : 28. 05 Raro 07 à age À es tard Per &-
Aa) 118 mt i (bj 110 cm” ae 118, 135, 152, 169, 186, 202 à
CRE us (d) 8.5 cm e | HS Re gift à
29. The range of UV-visible spectroscopy extends in between : i O (58
pa 29. ar ER A er 8
(c) 800-1000 nm (d) Above 1000 nm (a) 200-800 nm (b) 400-800 nm
3
30 mm EA s A y COS
determined yo 5
30, Garen a Rs sr rc ga an Fe
(a) Mass spectroscopy (b) UV and visible spectroscopy : age
(e Rotana specoscopy (4 Aol hese [tose tp oo
= ln a ee) una ni 2
/ Si 3 ae a] +
Le a

ye od

15. Qo!

À

a

Ro

ya

A
Mo

ni
sf

sl
SA

ME aupotaim tech

31. Comesponding

lee?
@-1+10
DA se OSCOPY 1 also known as
(b) Vibrational sped
Css (ron proa
38. What willbe the degeneracies ofthe J Orotational energy leva
Aa (2 CE (a
34. Which molecule among the folouind are both micowave aswel ast
(a) Br, OH, (OHBr
35. The separation between any two adjacent Stoke's or ane
(2328 (0188 (9) 68,
> 36. In Raman spectrum the middle line is called
(a) Raman Line
(6) Functional group line (0) None ofthese
37. Factors which affect the width of spectra lines

(hh +1
32,0Micı

ae?

(c) Raman scattering (8) Both (a) and (b)
39. The change in frequency by Raman effect occurs due to .
between the incident photon and the scattering molecule,
(a) absorption (0) liberation
(6) None of these a
40. À sample was excited by the Aline of mercury vapours. A Ramen,
‚observed at 4447 À What will be the Raman shift in em.

Techniques

mn |
"U values PQ, R branch in vibrational rotational spectra wi

Molecular Specwöscony JE —

2

L
|

mu. $5

yc

HS i

Ad à ee, deren eras tag POR wren à wea ee

(a) -2,0,+2 (b)-1, +142

(c)-1,0.+1 (d)-1,+1,0

ME at Enr À À ae at E

(qt great Ars a

CE AR Ra

J = 055 quí sat A ARA ere

@)1 CE CE wa

Fra a ath ay amy meda a IR at À fa ze 8?

(2) Br, (oy Ht, (9) HB (065

a PC whe Lert an ood hes Ya we A e

(a) 2B (6) 48 (88 (d) 68

or wags À ua tal oh ad

(a) atar ot ter

(0) Raras Tor tat dl

IS

(a) ater a Cara da
Dil

(SR (a) 3 (c)
Aa aaa nd

SOS

(en ste cts Our
conil (4) 2 (a) a ()

HT ren oy Recta ome eset a re wes oh à
te 35 BROT Be aL
(a) sat LES de
(Pra (GL FAS BE Fe

Us ates ee A ER Tw SIT RA arm a 43584 arte
at x eu 4447 À re fé aH Pr A TOT om RTL

x na (0) 4600 cm!
(c)4.6x10* cm” (d) None of these | (a) 460 RA (6) 4600 Ft"
so À
41. The Raman > (46x10 81 LFB à a dol
Lan. cs ston stg à Pr A à

(c) Neither of these (arar sera (Oo) sg er or À
LAB lan 1) (o sad) A ate ah hart a) 3

SE ie a E

Xo

16. tar spectroscopy
= OS

3 eun tcchanics and Analytical re

# 42. The Raman line où the lower frequency side ae called : > il (b) GTR ten
(b) Ant stokes eee MAA aM og
(€) Rayleigh (4) None ofthese (0) ax Finke ren >
43, Raman shift does not depend on ca fe Pt à a (0) mafia er
(a) Absorbed radiation (0) tose fr A
(c) Reflected radiation lone of thèse (c) erate Rec ran
44. Raman spectroscopy is camied out in region : ao a sra fe x À ra €?
(0) Near infrared (0) Visible ARR Dis
(0) Uaviolet NO DE (a) mite
45. The intensity of Ramampeak depends upon nds & Aine Prk oh à

(a) 0 afana

(6) Concentration of the active group =
{) Both (a) and (b) (0) fa RE ds FAT
1d) None of these (c) (a) 4 (b) at

Answers

AR a 22 BR y
dis

17. UNIT-IV

Ultraviolet Visible Spectroscopy

Multiple Choice Questions

1. Awave number of 4000 em: corresponds to wavelength (A)
(a) 0.0025 cm 218) 0.00025 em >
(90.025 m (4) 0.000025 m

2. Which of the following compound has the highest e value?
(2) Benzene
(€) Nopkthalene (6) Cyelohexene

+ 3. Highest Aa caused by which of the following lone pair of e”:

(oc, (a) (CH), —N
- 4 Which ofthe folowing is an auxochrome ? à
PNR
(—CaN

5. Which of the following is not a correct relation?

te) A=c-cl
pios eL
6 nse
(6) Baste medium
(0 Neutral medium (2) Gaseous medium
7. Out of MeCL MeBr, Mel and MeF, highest i is shown by
(a) Mecı (0) Meir
8. Which is having higher iu, cis or
(o) ie-stbene

(0 Both hae ann»

EL 15 1 geo Fe à ra a aa BS

azrdlarofl geral Wadd

h EII otek aye one

À (a) 0.0025 Kt piconet
4 (005% (4) 0.000025
Pe ler es an ea a areas 2
+ Er (0) Sera
= (és (a) gee

seh wah gag ap à RT GRIT Dy A O Re A
(a) Hs —

| (CH; —NH, (8) (CH, —Ñ
a. Aia an stata er o
(NR,
Ba N ec
5. nme

Ka WAreel Arba t in-kelt wee À

(a) sra mem (AR Fre
(o) ania sree 1a) Rte mer
m: MeCl, MeBr, Mel & MeF À fer A, Rang art à, d aru
r (o) MeCt (b) MeBr {c) MeF (4) Mel
8. rer seme À a a rer am Per Rec
(a) Ria-Recdia to) gia Ree
% | Co St a WAR à (aya aa oH HT
AE Sa Beebe as
ag

18. cote

ph oy

Le SE Quantum Mechanics and Analytical Technique

19. Which is not the chromophore in the following

19. In bie shift mas shits 10:
19) Longer wavelength

raion ie spectoscony QE —

aa

19. het für À À Sa aor Rene tar à

Ko) eh wind
L Oma

= ()C=N—CaN W)C=0>C=-0
vo Me nés oe (d) —NH,
i) ra o. eta wag À Fe &-
(a) a large number of absorption bands (a) ato ag ot aftr EN
(0) age fe eat ar ae re ST
(c) a large number of pea (cj ths an ais sien à Prom
(a) None ol hese ea (a
11. Which of the following transition is higher energy transition og fret fe esa tr sf at ur #2 :
see $ in ° Wore nor (xox
(nso fess nak x rs
aie Last spectopholometer wor on 7 Lele (oy deca Pa
(a) Henry's law go fixes an Pram (a) ave Sex Fran
RSR (d) Vant Dempter law 3, ndo some
13. n 10 0° transition occurs in: ‘eae (wares
MaS (0) Methylene! es dear
( (6) Allgne +
enden ey (d) Scattering (sect (a) wa
15. The sample cell in UV spectroscopy is generally made of : . Vas À er ara amé
(2) Borosilicate glass de) RRA Se (0) ara
(c) Pyrex glass (d) Ordinary glass (mater aia (d) WaT a
16. A shift of A, to longer wavelength is called : 5. nas 3 MEER tal A ge at ae E-
PE tin & = (a) ten fare (0) Sten Rae
(c) White shift We 3 rine (ara Ree
17. Ing 106" transition, Aou, Hes in: 7 yal bp cis aan d RA, a nd
(a) IR region (6) Visible region (ines A (0) Rua at
(4) None of these () UVa aaa
18 Tester ee ES
(a) IR spectroscopy jo (b) Visible spectroscopy (RAROS © ar et
(e) UV spectroscopy” 40 Both (b) and (c) UV Rte es

abusa
(ARA ah à Re

oe

19. Lo - DA Quantum ec

20. Selection rule for electronic transition is
(av=+l (b)v=-1 ()v=0

21. Arange the frequency ofthe following electromag
R

incre

es IR UV yrays
ay 0) (
Wa>b>c>d
(Jb>a>c>d (d)a>c>b>d
Which of the following changes in a molecule require maximum ener
absorption?

ar (b) Vibration transition
(e) Rotation transition {&) None of these

23. Movement of nucl

vane NE ala
ee
{ci Bom-Oppenheimer principle {d) Hooke's law
24. Which ofthe harmful radiation is stopped by ozone layer?
Sara () Infored
(c) Far infrared (d) Near infrared
25. Zero point energy of diatomic SHO of vibration frequency v is :

1 2
(a) hv a (2) 2hv
. ze Sn QE

26. Select the wrong matching :
(a) UV—Conjugation
(b) IR—Functional group.
(e) Rotational spectrum—Moment of Inertia

27. Which transition requires lowest energy among following?

te) x + (nso bh)
28. Thethiftin hic occurs when ntnstyofabsomtion decreases avale
Es decreases is known as :
n'a ea
(©) Hypsochromic N None of these
+29. What du for AL? ow
fa) 214 (b) 219 (c) 224 (9) 229
ee
30 An fr shoud be

- qu” = at ta) 253

is neglegible during the time taken by an al CLusA

hag cer à foro war am ram $
(a)Jv=+1 (b)v=-1 (v=0 (dv=#1
Aig acter att Pre fre sgh fiera ro

ea ae, IR, UV, ru
| a % @ @

(aJa>b>c>d (bid>c>b>a
(a>c>b>d

()b>a>c>d
} fire HR Bid aise ferner at am graveur axe 82

(a) scan err, (b) terres Ha

(a) FA má
ee 2 ra rca fe fem eA AI FA
2 mat-
] tér Pram Obra Par
(oat TREE Par @ gate
4, stat we Pres Ha fsa wer qa Pet a à de de
(a) were (0) arts
CS (4) Free parta
Re SHO dee cer Sr v à fe qu fry sa à
(mw . man lw ón
Pera a mer a at gaa
(a) rg CO) Rares TR
E id) Pa à a aa
227, Ras fhe pr sof ht sneer Sd
(ron nox CS (aa
P E SIS
Ch Marias
lora ol
b AA BR oa Pt À À ur
| (W229 fc) 224 id) 229

bo resta. IA

20. DS unin rectas and Ana Me ok ile Spectroscopy QE

== Answers area
=f) BEE = E 6
sil Ka rary
12. (6) BAS 0 2182 lo)
pit 98 186)
oes ta (a) 23. (0)

26 @ 270)

I 2282, 0)

od

cit

go?

ES

21. AO

UNIT-V

Infrared (1 R) Spectroscopy

Multiple Choice Questions
1 Awa

umber of 4000 em” corresponds to wavelenath {x }

(a) 0.0025 cm
(c) 0.025m (d) ‚0.000025 m
2 Which of the following compound hasithe highest e value ?
{a) Benzene
(c) Naphthalene {d) Cyclohexene
© 3. Which is not the chromophore in the following ?
(a) C=N (6) C=O. |
(c) C=C
4. Molecule which is IR-active is :
HG (0) E (ON, () H,

SHrS-V

aña pe

1

RAA (IR) Wei)

ETE 4000 Ah! aéré à arr $

(2) 0.0025 act (6) 0.00025 at
(10025 À (6) 0.000025 #
Pa fe ets co fr ito

CES (b) arts

(c) Aer (d) aaa
Pa an ner

WIN | oo CHC an,
(a) HI DE (ON, oh,

5. ore (O ne stat fre ren

ELE |
i

Ae) Red (b) Blue (e) None (d) Both (a) and (b) es ae

Het the vole eae (he bond) ener CEE daa ar
a ro 6. Pr k 01 seman er 5 Pre... ote of à
looney D IO]
ee ts (aan, af (0) sites, aftr
‘Among following which has maximum stretching frequency.) Catal (O
(a) c-c1 ()C-Br (dc 7. We Referer em A à ‘walters dr

8. The most commonly used detectors IR regions are : (a) c—cı (bo) C—F (ce) C—Br (d)C—1
(a) Ameters Mb) Bolometers 8. IRA RUE a RA at o E
(c) pH meter (d) Calorimeter (a) rer aie (0) aie

9. The wave number of a transition 4# 2000cm”!. In which part of (PHAR ER (a) Senken Be
electromagnetic spectrum does this occur? 9. EBENE Wea eM ar ahem al Ay qa
Oe ae | (a) gata da (hy ac a7
Mere ES tBaaur aa (ra _

— |

22. ntrared 010 SP

Mechanics and Analytical Techni =
*wbratlona ching tequency ofa date molec depends on gc ere ame ot Pre we
o & CEE
Pr (0) Masses of two atoms (oy ae Perce DA re
11, ec ang, ora PTAS ara
Imben, essed in ve ara a TEA
> (bem sec! (ccm vec"! (dh gee? à mana AHS AAA ays,
12. The number of vibrational modes in CO, la: CO, se à eres Are wh at $
51 = CE (96 (67 pei CH (6 a
an Print region is hs eae
CE (6) 2000 - 3000 cm"! 9500-1700 RA (b) 2000-3000 dé
7 S000 AND i (4) Above 4000 em! (e) 3000-4000 # (4) 4000 à sf
14. v= 0-4 v= 1 transition lr vibrational spectra gives; t ya09 121 A da a 2 8
(6) First overtone (a) era de (0) were ah
4 (c) Second overtone (4) None of these (0 facia steer (Aa
For a IR transition to take place, following conditions met : 15, IO à ds Pe Pr zent A A O
Lg à wee Reg aru Re
40) Both (a) & (b) (0) inde ds qua BAT
(d) None of these (e) (a) 3 Bart
16. Which one of the following compound is IR inactive? (ña
(2) 00% MS, | (NO _ fd) Og 6, Pra a aaa af IR aña 2?
17. The infrared spectrum of a compound CyH,O shows peaks only | (ICO (6) SOz (e) NO, to
3600 cm“ and 1020 cm! regions, lts structure is; 7. CoH gO to x ais src ag rs 3600 Hm
Pt fs at ama o

ta RO ol (0) CH, = CH — CH¿OH (b) CH, — C— CH,

of) eS ae
18, ‘ie ya mien ehh ds ¿Mio
: rat ag À Pret À ete qu sr Pre

(a) Molecular weight (b) Melting point
(c) Conjugation Glog ae (Chu
19. A strong signal at 1700 can”! in an JR spectrum indicates the presence of; | (ORT (ORTE
ot (6) Ether 9, IR AO ww ar on 8
ee
ill be (a) cer (0) fe (omits WE

20, The
ei td 6 ether Pres ar aero warte at ze ehh?

— (a) an (b) An ~ à (c) TES

ON

23. [e819 Quantum Mechanics ana Analytical Technig

21 A strong signal at 3400 em!

i= —

(c) Carbon

(b) Ether
(4) Amine

in &R | the energy of vibration is

23 For non-tinear molecule the numberiéf vibrational degrees of freedom
(d) 3a -4

(v- ¿Jr

CET A

O 6 (in

24, Which ofthe following molecule have three vibrational modes ?

tan,

SO,
SW Al of these

25. In IR spectrum functional group region lies between :

(e) 1400 cm”! ~ 2000 cm

26. What will be the fundamental vibration frequency of CO, in near IR:

(6) 600 cm”! - 1400 cm! 10

(4) 2000 cm

of CO, there is an intense band at 2144 cm“!
‚02.14 x 10% 51

)6.43% 10% 5
(c) 4.2810" s*
27.

(2) 2950 cm
e) 3200 cms!

28. The fundamental vibrational
(2)3,9,4
(99,3,4

2 29. Which one has zero dipole moment ?

(a) HO.

(d) None of these

(6) 2850 cm

we N ni

1413,4,9

cH,
(dp None of these

30. The vibrational frequencies depend up

(a) Force constant
(e) Dipole moment

(b) Reduced mass

an IR spectrum indicates the presence of.

& {ht vibrational quantum number and vg is the fundamental freq

4000 cm“!

Infrared (IK) Specteoncopy

| rm

=]

ZA. IR RIZE IO RER oes wa ren Rt eg ta a aro

ee

le

(a) center

HER
DE

22. wiv ery asie ren € av, 2 4 eg md, er of

oso

(+ ho

23. wan era toy ds das ña ot aie Bt vom 8

la) 3n - 5 (b) 3n - 6 (an (di 3n- 4
24, Fa Rose fo ere she ie A
\ (HO (b)50, (NO, (awh

125. IR Brag À far ergs aa Frere €

(a) 1400 HH" à 400 a" (b) 600 Sah" 1400 HA

(©) 1400 à 2000 Sfr (a) 2000 SR? à 4000 St"

26, CO 3107 Bt Fresca Ra de ought een ehhh aie ew dia ds

2144 SA ox Pre dr

(2) 643x109 a} (01214109347

(4.28 x10 Si (a) FAB HS et
ad CH a er of Pd

{oi 2950 ait (b) 3050 & *

(e) 3200 8" (9) 2850 3% *

CO), CH, a H¿0 gere ere ths pr 8

13.9.4 CRE

(19.3.4 (8)3,4,9

29. Pret à Pa sr am Rye set eat 8?

wt (6) CH,

(a) HCI
(e) CO; at RE
0. ere gía Fane are 8
RE hi Rares env
Ad) GH are

EN

gu aly

24. chniques

[30-9 8 cuan rico 14 Analytical

31. Reduced mass} of the two atoms masses, and m may be given as follows
fa) = Mi
mem,
dt m,
dur 2
m, +m, Prem

32. It the reduced mass of a diatomic molecule ls doubled without change 4
force constant the vibrational frequency of molecule willbe:
(a) V2 times the original frequency

(c) Twice the riginal frequency is: r
(d) Unchanged +
33. The vibrational frequency of a molecule is to:
VA) Force konstant. () Raced man

(Velocity of light (@) Mass ofthe electron.»

n° de CRT)
Bla >) AS 1) jan
|

À

BP |

x

32.

ares ae Bt ae 8?

u
m +m

infrared [es Pr
SO MTA DT Um; A og

si. à

fi fees 3 at RES RO Ft a Fie
a Re a we, A RN a

El

Co mr 7

cited
23.

(b)

124. (0

25. UNIT-VI

ECT
IH-NMR 204 CRA (PMk)

año q ,

NMR Spectroscopy (PMR)

Multiple Choice Questions
The most downfield signal is observed for:

1. rs Pr fares fore Mn 82
i= Men Ct Reverie Aa
il (eh, —ı (ICH, — Er (a CH,—1
2 ner the electronico transition which is not detected 2. REINAR o Som wa eit to
metre i
des ni a Gino Wrox no (osa
haa ER SR BH € E

3. Correct ordet for Ama,

(91,3, sa > md
(0) HR > 1,3 > 1.3 SAARI

(b) Cycloheptane > 1, 3-cycloheptadiene > 1, 3, 5-cycloheptatriene (c) me > 1, 3, SAGEM 1 Ima F
(€) Cyeloheptene > 1, 3, S-cycloheptatrience > 1, 3-cycloheptadiene ar
ah es? 4. IR Saga fre at
= ingerpdat region ia IR epacirur ie Va i (a) 800-1400 8" (0) 2000-3400 34
AR (6) 2000-3400 cm " (e) 2000-3000 Kt" (8) 1000-2500 34
(c) 2000-3000 cm”! (d) 1000-2500 cm? 5. 60 MHz are GAT 162 Hz We sera es & RNA 120 MHz SET À 5
5. The value in 120 MHz instrument of a peak which is 162 Hz in 60 amé à
instrument is: (@)2.7 ppm (b)54ppm ()135ppm ()81ppm
(b) 5.4 ppm 6. 3eRererga à Re NMR Ria wet ei?
(1350 Ce Ure ved (a) ew pa (waa ar
© on een 1. ag ee
num ill be: (al LL ts 4
& mi se CH N le 8. PMR Ra fan Per À fa à ae ee?
8. Which of the following compounds will not @xhibit splitting of PMR signals? (aaa N (napa
(a) Toluene N) n-Butane (co ofre (a2 Saal
(c) Ethyl formate ge ata ste Hie hf?
9._ Which electronic energy transition taka place In saturated hydrocarbons? | à Fe & ons
(Jn garer

LES |

26. hen Specroscopy (AI QE =

Jo. etre age a ar

10. Which of th
10

(N N— &N=— 0
u (e) NO, NH,
198 C = Op ah IR sar Aa &-
„la 17280m (4) 1100em"* (2) 29004" Be
12. In PMR spectrum compout ni (0 17283047 (a) 1100
inl een ET 12 Pur a oe 0 — Ct PMR a
13. Electromagnetic radiations are in the form of: (a) CE (aya
INEA aus 1 apc eh ra oe AE?
(e) Work Nes = es
„14. Which eonipound ee O (od ama EE
meet hee 14. PMR sea 3 Ar fe & Fire Re hse 8?
dl cH,
v
© (b) CH,CHCHBr fcr, Lee (9) CH,CH,CH,B
où: Cha,
= Sonar
(0 CH,CHBICH, CET
15. CHCl se 3 fe snes a wo &-
osc Ano" rx
CES (nao
Le PR 16, TMS RTA à ews ge af eu ra fr set
17 Hoc many A n (e) UV (0) NMR
(2) One ES or Rae (ran
(4) Four „a7 ete ee NR ag Ro Ara et?
18 Ths cation a 9 Huse a] TE ES pes ba (yá (ES
vem 18. IA, Hy a 1 à We NMR À eu ar ae
H,
(dv. a v=" a
19. Nuclear magnetic pasonange Fe) daa Az a Ave
5 o
19. Ra so A ma wef
{d) Electron spin resonance D af om see

¿AN

27. Los {9 5 avantum mechantes ana Analytical Techniqh

# 20. Give full form of TMS.
(a) Trimethyl silane
(c) Tetramethyl sulphide

(b) Trimethyl sulphide

uh

21. lina compound Photon sine 0 some electronegative atom 4 aft eh as e A gt aM dagen ead ga gr
of hydiogen bond, absorption will occur: ave 80m In the damen Em i > ae
(a) unchanged A) downfield. (0) Ra asa
(0) upfield : (4) None of these (os Aa) gt à ats ae
> N
22. Vint chloride CH = CC ges the number of NMR signal Fr EE CHa = CK" fort nn Rr 28 E
a
ine Bg i «a ds (02 3 (94 (as
23. If the chemical shift on the 6 scale is 5.4 that on y scale would be + ARAS we terete RA 5 4 à, sean A AA RA
fa) 44 (ore ()-4.6 (d) 4.4 (a) 4.4 (b)4.6 (46 44
24. In Ethyl alcohol CH; CH — OH signal of OH proton splits int : efter eee CH¿CH? — OH À 0H ay ea Farrer Fret er A
Aa) No splitting» (b) Doublet (a) ag Rar mer, LEA
= (c) Multiplet (4) Triplet (A À (a) Rade
25. The 6 value for CHO is at approximately : . —CHO a & fore SH arm eter 8
(833 (6 (08 3 (06 CE (a) 10
pu ( TS (o) Eo
26. Compound sc (LD) — cyt ge many NR LE om frs à fr NMR Rarer fe
CH : ; ‚Eis
(a) 5 (0) 2 DE (a4 x (a5 2 (03 (a4
2 Pre PGA 5 NMR reg Re Re ra it?
(a4 3 (@) None of these (4 @)3 (2 (a) FAB aE ae
28. Which of the following statement is false about NMR of o, m and (oa paran ora NMR Ba ds a ln gers areca 8?
p-dibromobenzéne? (Join a Ara rea E
(a) o-dibromobenzene gives two signals (0) marin Sr de Ra Pre €
(b) m-dibromobenzene gives three signals €) parida te Sen es the fred à
(0 p-llbrormobatonrse shinee orbs cute eal (a) à wh ae arm E
ya Ne % fee fee uU aT ATH a
À (0137 GO (91 CE

29. The value of nuclear spin for ,, Na” is: qu”

E wo (91 (a2

30. The correct order of chemical shift of methul group in CHF. CHCl. CH,Br
and CH, of NMR spectrum is
rare rue a mu me cu pes CHA

1) CH > CHIPS CH Be» CH (d) CH CL > CHyBr> CHyl> CHAE
cd 7 Srta. modeles: see EN,

CHF, CH¿Cl, CHY Br a CHI à NMR Bags À After ae ra
ds get a
(0) CHyl> CHB = CHCl > CH, CHF CHCI> CHB > CHI

eit (CHC > CHE CH

28. 31. How many NMR signals you will get for

as 2. (3 4
In PMR spectrum {CH — CH.OH signals for methyl grown apenas
woe (b) Singlet

- 33 Mere (4) Multiplet
we (o) He (a) Both (0) & (0)

34. The assigned value of for TMS peak is
Qu ot eo (a) 100

35. The transition of electron from one spin stateto another in NMR spectrum is
called

> (0) Resonance

(€) Relaxation anaes

36. In NMR spectrum, the induced magnetic feld opposes the applied field,
then proton is said to be :

(b) Deshielded oe
(4) None ofthese yo
+ 37. Factors that affect chemical shift are :

(a) Hydrogen bonding (+) vander Weal dishielding
(€) Anisotropic effect -

38. How many signals are formed in NMR spectrum of2 3, dichloro propiónic
acid? 3

CE ar (94 Ws
39. In NMR spectrum, o ia ae)
Aa a:

(91
ya
{b) 2.3 ppm
(4.0 ppm (4) 5.0 ppm
41. The NMR coupling constant (J) in geminal
(a) 8 H2—10 He 0)
(0) 10H2—18 He

42. The value of nuclear spin for ¡y C1 is :
Ce mo 1
ae

AN ais

1019

yo

39.

RN

le ie

yer soem ee
ma >

fe sa BRE NM fr

a (0,2 (93 ry

CHAO à PMR Ra À AR TE à Er

(o) Cia s

(quee CE

gore Rees ed E

(e) Cos CE (oH .
se fe Br 8

(0) 0 (091 (910

NMR gr tee oes Fe rere A se

(a) fre (0) se

Chi (an

NMR tag À, fe a Geter de TR md oy
rua?

(a) hart ata
(6) (a) 3.00) at RA
es Rar ma at ae ore &
(0) ERA PU (0) OR RE
(RR A y (MA
2: ¿IAN ag A
CH (0)3 (94
NMR Stage 8, aE shes ue a or
(0)1:3:3:1 (0)1:2:2:1
()ds1:1:1 (8) 1:3:2:1
NMR Reg à, CH, aged ao Aes
(a) 0.9 ppm (0)23 per
(e) 4.0 ppm (8) 5.0 ppm
Me get NMR gr Recs ue BE
(a) BHO Hgo (yg Hero
(6) 10 H2-18 He CHAR
1, 005 ds A eee ers a ua $

m0 tol

_

29. [oo <A 5 Quantum Mechanieg hé alten Techniques

vn secc mung — a)
a 3

a
43. In compound CI,HC e — CH, hydrogen shows splitting pattern ar A amet CH, Poren am fr a thes ft en ahh

a

intensity of peak

(Rz (1:1 (by mae [1:4:4: 1
(e) Doublet (1:1) (b) Quartet [1 : 4 :4 : Co Fée I Bree (1:2: 1) :
sana (e) Triplet (1:2: 1) data ares Hafen cm fem den $?
44° The proton of which hybrid orbital has maximum value of (tau)? en En = =
fe ors (sp? <p ee
+ 45. The chemical formula of TMS is Rues e

(6) (CH,),Si (CA
(ICH), ICHS
60 MHz Rage ox eas shes Grp À TMS À auch 126 He |
Free aan &, gai fee areas RR 5 a a ppm À Et

E Satis? (on CH Si
(CHINAS (2) (CHS
46. The value of chemical shit (8) in PPM for a proton that has resonance at

126 Hz downfield trom TMS on spectrophotometer that operates at 60.
MHz

(a) 2.6 ppm à (b) 2.1 ppm
casa U cole (122 ppm (6) 32 ppm
47. Full form for term FTIR : ee Ia fae
(6) Fourier Transport infrared (a) grax gira porte (0) ER gi pata
À ¿Mg Foie Tara ire (4) None of these 0 Lo Ra gi ts CHE
h 48. How many PMR signals would cis and trans.dibromoeyelopropane shows fre a gia aaa amet Road Ree A
2 respectively: y (0222 W3a2

(a)2and2 )3and? (c)3and3 (d)landı

49. The PMR spectrum CH,CH, — O— CH,CH, shows:

(323 wızı
9. CH,CH,— O— CH,CH, 31 PMR Raga du &-

(a) Two peaks (both triplets) (a) 2h ts (at Rete)
pont me" 2) = oo 01180 (es ke a gr rar
(d) Four peaks (all doublets) reo
50. The value of gis: is
oo. mr, ae
()t=8-10 (d) None of these," (a) t=10-5 (0) t=10+3
51. Which among following is used as a standard forztécording chemical shift in (e) 1=8-10 O Aaa
NMR spectroscopy? AORTA a fee NMR wants A via 0 we Aan hin as
=< ea

30. = Q & Quantum Mechanics and Analytical Techniq

oscopy (PMR)

ls —
Answers

12 (a) 2. (4)

6) lo

u. (cd) 12. (c)

M6" © AT (0

21.) 22 (0)

26. () 27. (9

31. (b) 32. (a)

36 (a) ~372° (a) 387 (9) 1-397 (a)

sz (a 2827 (a) =. eS lc)
47 (a)

a (e)
a

a
yodo

31. No! UNIT- VII

Mass Spectrometr y ee

Multiple Choice Questions

1 Xin mass spectrometry mass to charge ratio i aiven by)

Ara Baar eA or re re à rm €
\ e"2v m He i m He
mut mens Wer, rn
Se 7. ca ett an HA
2. ln mass spectrometry the. lative height he parent i oe
amon following» sale height ofthe parent po mani rar RA ar Bet Pr Ra woe fo
(2) Ketones (b) Amines (oy aes ES
(©) Esters (or (AR fas
3 ofthe parent peak is minimum Barat SRA Roe des a enter Far rer à et ar e >
() Alicyclic compounds (a) Fa Gan era A dea
(a) Esters CH MES
4 At low energy of 10eV, methane undergoes dissociation and gives: 7 NARA y Prades À ae
(a) CH, CH, CEA (cH, (a) Fa a HE a
(CH, 1d) None of these ES
5. McLafferty rearrangement involves : ú (1124700 ar va son a0 an
(a) 1, 2 H atom migration to carbonyl O-atom 611.34 a rar o as am
(6) (11,445 aaa statism aa a
4 ; (Aaa Be...
Se se TAT RAR ar =
> © Massepectroscopy is used: an? endet
(2) In determination of mo Ds a saftresen 5 Preteen à
(e) oro darnos fro

Answers
1. fa) 2. (d 3 (a) 4.

32. »

In ion exchange dhromatography, “te be

EA

Unir VII

Separation Techniques

: a ASA
Multiple Choic i
Multiple Choice Questions € os een EB rm A ri A,

The process of solvent extraction is mote complete if it is caried out ind

1

6
(Single ep eo sep = par a A E
— 19 Milne cs (d) None of these Gi fr
2 a ‘used for extraction must have …… solubility in aqueous pha er il OT a ay
(a) low medium et er
a Binet a ne.

aan rr afr segs a E, sas Pero sn
(a) sits 0)

Continuous extraction is used when the distribution ralio is:
(a) High

(0 Very ow (a) None ofthese Lagan (ma

4. Batch extraction is used where a ......... distribution ratio for the dl a Fremfor fafer mern A oct À af AS q y
separation is readily available. PROSA … sar

Ni (b) low (a) sires CE OR Mm
10 very low (4) medium

a nee PRR BT PERRET eT él

E (a) gaa (0) sgt

(© ai (e) a (b) Chibi

6. Mrs a PR gamer a spor à ar
at

{a) rer (Adsorption) Ve (0) set (Gel)

(6) URREA (Exclusion) (aaa

> Am
(c) Both (a) and (b) (d)

takes place according to molecular size is:

(a) n chromatography — (b) Gel chromatography
tanner la
Br

A oe A fore Rara ox aire 8
CES (0) Rec
{c) Both (a) and (b) (d) None of these = (am (a) & (b) (a) Ia BS
e nee ES 4

= (a) sities wog ara (b) Sea RAT
(a aa (a) à #
9. Ma fahrer prete, à are an faire à 90
(0) he a aro Fram (0) fina cea À
(giro aay Eras (a) gra a ae

(a) Nernst law of distribution. a

Jsoxption laws (d) None oi these

X =>

33. [os === E Quantum:Mechanics and Analytical Techni m3
as ‚ration Techniques nn 00)
+ 10. Ry value is equal to: Ryan wr ses arar dr 1
Distance travelled by solvent Di
(Dinner y MEENA y mr
EE Fees a a wd <A
= uk
== a
ae evel ol Creamers IRA
Distance traveled by solution | e ¡At
(4) None of these (0) Ho ore IN ewe a |
11. Unit of Ry is: Aaa, ge see à Rare ma ah a
(a) cm (6) Degree (c) Meter de
12. When the movement of mobile phase (developer) isin upward direction, (a) STE (Ascending) (0) FMEA (Descending)
development is called as: aa (c) za (Radial) aw
is ef Br à Ree waren de
(0) Radi (d) All of these ee (hae
13. se ‘chromatography the stationary phase is: (©) 8 (a) 3) det à as za
wien at a
(€) Both (a) and (b) (d) None of these sie me a. co RAE
14. Column efficiency generally increases by the length/width ratio SE
column, (aa Var
(b) Decreasing ORTEN FAIS
(c) Not effect (a)All of these. SES
15. In liquid chromatography the two liquids must be: (a) RER Rag, (0) Ter sa
(e) Miscible i (0) sift Rda mamis
(c) Partially miscible _ (&) None of these AO sf aa... $
16. chromatography the most commonly used solid (adsorbent) (ay eat à (b) fem da
N apart ma
à AE Both (a) and (b) (@) None of these Ne eae
17. The liquid liquid chromatography is also known as: NE (aa aes
fe) Column ie
(c) Gel (d) None of these €) er A RE
of solvent extraction? à inane eta
18. Which is technique de YES (ata {b) HA (Continuous)
a xoe Ce) ex BE (Counter current) (à) à À

SES
(a) see (Frontal) {b) SET (lusion}
(IRSA (Displacement) waa

19. Which perrea for development ul dhnomalogram?

34. 20. In paper chromatography stat
(a) Solid

Ma) None ofthese

nique from the following

a) Al these
22. Solvent extraction is based on

Mea) m
(©) Difference in solubility of solute Between two miscible solvents
(0) Diflerence in solubity of ite between two partially miscible solvent

Here Gj\and Ca concentration of solute in solvent 1 and 2. This s known as

y@)Distributive tow
{el Both (a) and (b) (d) None of these
25. Batch extraction, continuous extractión are +
(a) Types of extraction
(c) Properties of extraction (d) None of these
26. Solvent extraction technique is done at:
(b) 80-100°C.
"(e) between 100-150°C (d) above 150°C 2
27. In quantitative solvent extraction nickel metal s separated asi
4 (6) Dithiocyanate
(c) Dithiocarbamate (4) None of these
2. For Park's process of disiverztion of lead, what I not true
following ? Psi
19) Sliver la mo subie in molten lead than in ine
(e) Zine is behaving as solvent |
Ad} None af
BR län.

——+

sas

oa

ation Techniques (Y) E-
cm à er ren -

e (za
ip (Mam
Pret A à gare A at gr

sil (0) Faden
CB (a) à

er Prenton a fr sent &-

Co) ieee à ma Rea Rr SF e
(0) à fete Raras area Racker a aa SR Oe
Ge fra fr era Faken a Fare STE Ur
re

: AA Hp = AG, 2 Ca à ech (na (2) a A

= aña (b) RS
(rte Css

1. rent ben Res Prenda a 0 wor 8

(0) Stele Preston ) MAYA TY 3 GT fro
MR il

da oa ara Pa

(0) Proton ds vor ©) Pad rte
(0) Preston 5 aor (a) FAA aE ae

> teres Pre faftı et a A E

(a) oS aT ue (0) 80-100°C ara
(e) 100-150°C à wea à (9) 150'C à site an

rere Ras Fredo A eg at Free a Pr cr
(a) fa ergs (b) sert
seen (ma
Re AR Pa Pd er
(0) Ree Fu ge as Ra ts ana ts Rar

(0) ere Fate fires Rr ts ah rte ao ra à

de) Fors Per a are rer &
(AA ma

eS
oe

35. La SSE cuanta Mechanics and Analytical Technig

29. In paper chromatograp!

(0) solid, liquid
Ze solid, solid (d) liquid, solid
30. The adsomption of ton in ion exchange chromatography depends on +
(a) Structure of ion exchanger
6} Nature of

seo Tc DS —

hy. stäflonary and mobile phase are respectively

25]

29, VANA Ar fe a u»

mee (oy ata za

(03, oer (ayaa, oe

era Fe rer fra a we Pc ch 8 i

(a) ier Rs a Kar ur

CGT sp we

10) ger rá fs

dar

36. alísa Gaz
adica aire siz faecrauncap poils

den. eg dec (mé)

Model Paper
Quantum Mechanics and Analytical Techniques,
B.Sc. 4" Sem. Chemistry (N.E.P)

[aftr 5

(Time 3 Hour) eee

jose)

al
1. acre ren af gag ds Rw atten ra a fea aaa?

(6)n=3,1=0,m=0

Multiple Choice Questions
1, The correct set of quantum numbers for the unpaired ele

hehe (a)n=3,1=-1,m 20

(n=

ew wen ge ge stat re warn Bra MEM AT D) FA oz
25 fe aes ater mg Br

()n=21=1,m=0

by ions y. The orbital angular momentum for an s-electron will be ; Us h ah
CE DES OZ CR
we h = 7%
Az MO (NBs, 3. waar auien den arr é-
3. SEE... . (a) Bars A eet CEE
Éd en (ey Bar an Mia fica aa
(@) Nuclear stability ne rer mg RRA ren
4... Presence ofthree unpaired electronsin nitrogen atom can be explained by: À * an Fe a
(e) Pauli's exclusion principle leg oe a ‘ea ‘2 =
zen 5 Sa a
(d) Uncertainty principle (oe) A= Fe
5. de Broglie equation is : ee 1
ES m erie —
ea wa eh A =
6. The shape of p-orbital is: yon“
(a) pyramidal (b) spherical a ou
(e) oval () METER wate ref
7. Foragiven [value the values of magnetic quantum numbermaregivenby: | 7. Rama ad Re, qua aida seen m ah Pras aaa
fa)! (b)1+1 (d)1+2 (a)! (+1 (a+. (aie?
8. quantum number of electrón = 21 = this election wl ben orbital: | 8. RAR n= 2 1 = 1, me eg for ser
a) 2s eo Jete 3p (a) 2s 2 ES CE
9. The value of Horn = 2, will be: : ARA ER
and 41 (ejOond2 MIN
es (a) 0, 1 {bi 1, +1 ie 0, 2 ig dt

eS
097

29

37. Quantum M

har

5 and Analytical Teh

10. The number of nodal ‚plane in p-oibital is KE
(0) Two
(a) One (c) Three
11. Maximum number of electrons in L orbit ae
(2 OS ns

(018

(a) 32

12. n+Iruleis'a part

Bose rape (Y A — 77]

pr À sheet er a arm A
es wa war

Lame gta ah da ait
(92

(ar

8 16 18
(a) Hond’s rule ea m 1 Bre Pre 4 Ree fremd
Ren a eo Uncertainty pring (0) ges ram os aaa a Prat
13, Who successful explained the phenomenon of phony bl wenn
(0) Bohr ma IN ee effect? sori wre of eres ere ve’ >
14. Which is Stefan-Boltzman's law? Bote ACL Cite
(a) «T? de): (a
WET MER (RT ars nn
15. Accordin S y
5. According to Compton equation Ak = (Ey GET 0% IET
War When eu À SEPA AA =
(a) an = 1 = €05 6) eS
(0) ah = MCU coso) tai None ase en MA ca f
16. Kirchoffs law is : (o a mel (arte ag i
CE 16. cc an fra d- |
ÈS -Es mie.
Ej e 2
=- »
op-A4 (d) None of these ata, ye aria
17. The value of Planck's constant is: 7. Re sr
(a) 6.626 x 10” Joule sec (b) 6.62 x 10% Joule sec (e) 6.626 x10” xa do 16) 6.626 x 10% a do
19682610 does (6626410 Joe see (662610 qa do (662610 do
18. The minimum frequency which can just eject electron from eu ee ga Pre re I Pre re A,
element is known as : amat-
(a) Kinetic energy (6) Potential energy (a) ah Sat Ds
4 Fixed frequency [GEL LES (a) Fer a
19. The value of y in terms of C, and C, is: 19. Ca Cu à A yw aa ad?
(y=C,=C, CSS wy
a €, di
tay fe) x de ==
Gp Ce A

38. Lee 8 Quantum Mechanics ang

20. His known as

parar &
(o) AT Sl (b) a rá
(0 HOPE RL CHER
nt, es) ere

aj fee er dt of ot ota an ahh à
of Sof eon aa ft ante ts PA E

(a) Laplacian operator (b) Eigen function

(©) Hamiltonian operator (4) None of these

21. Bonding molecular orbital

(6) has more energy than atomic orbital

(6) Both bonding molecular orbital and atom orbital have same energy CAR eras a ot nat
(4) None ofthese (a) 54 a ah ah
22. Free rotation about an axis is not possible 2. Het each quí sia él à
(a) Sigma bond (0) Ren an CEE
(€) Single bond (4) All ofthese gunda am
23. Energy of the partie in one dimensional box is: ES
tat a nit
se bee Chee ere
oe mn? De eh ==,
(E, E, an (a CS
24. Which molecular orbital has highest energy? 24. fra few oy da à
lao e CA CEA CE Oo (x ne
25. Wavelength of UV-regions in meters is: AN ES
(a) 10% (o) 107 108 a0? (10% (107 (910% (110%

26. IAS RA omy & Re a A des aE A a à
ES

CEE (0)3N 5

(JIN=6 > (Fa BBE aT |
1 re Ti Rage A rar ce

wae

(a) Res (0)

(©) Rex dol |
23. vr ts mae fr fre of era
(ann br x (rae wor À

29° A a ma en a BP
TN ‘ana id
ge

TS

39. ich wavelength
(0) shorter wavelength gibt rs

(©) higher intensity (4) lower i
31. The selection rile of rta! spect er

He pectrum is
Dn u, Saa o

2ppearing due to transition from v = is known as
(b) First overtone band
(€) Sec 2
‘ond overtone band (4) None of these
33. The unit of force constant is
mem ()dme be (4) None of these

34

118, 135, 152, 169, 186, 202cm"!
‘The rotation constant B for this molecule i :
(6) 110 cm

The fol re
lowing line ar ‘observed in the spectrum ofa diatomic molecule:

| ry

arctan fire erh ve ae Fra, et #2

(oy verted ate (oy aes aéré À de
CELLULES (a 205 Aizen B ie

1. RS eg 8 fre at am Fra 2

(a) J = 41 (AJ =-1 tc) ad =+ 1 14) a) = 0, fl
YAA er tan Read 28 #7

(oh eng ds (oy seers

co fetta stars (age ae
y mise

CES CEE

rag aa ara

A. Ras & ag À Pra Pr E-
118, 135, 152, 169, 186, 202 St"

(c) 17 cm (d) 8.5 cm
35. Te racer dre airs dome a ARE Reis Borat
ae (a) 118+ Ou
ee (b) UV and visible spectroscopy CHAR asset
(Alot we rad ro so fs dr ro ae
36. Factors which affect the width of spectral lines : aa Re Aaa q a RRA
(a gprs e mir
(c) Both (a) and (b) (4) None of these 36. ORG TS a Tara B a was Se 8
37. The Raman and IR spectra can tell us el (0) Bigs an Ren
ara api i
RR IR Reg Tan TTB |
(c) Neither of these (ey oy tete en sta à oy ey ees a à
(4) Both (a) and (b) mai awamat
38 The Raman lines on the less frequency side are : RY 38. MIRA She ore VA ah we dan e t-
(9) Antitoken (a Wea dar ere ter
(c) Rayleigh (d) None af these ota tard ar (FR ase we
À ren pe bee anne 39, gen ere rare feet ara an sa dr |
(a) Near Infrared toy Fran eR fi
Ac) Vito vacate a {41 Microwave (a) Hig >

40. la 8 cuen

Mechähles and Analytical Techniq

mece roger MB y

40. The Intensity of Raman peak depends upon

(e) Polrzabilty of the molecule (6) Concentration of

(©) Both (a) and (by

(4) None ofthese
41. Which of the. following ie not a conect relation
(0) A= ted LOTS
(c) A = log le a
© A=tog À (end
42. nn" absorptions do not appear in
| (a) Acidic medium (0) Basic medium
(c) Neutral medium (d) Gaseous medium
43 Which having higher A. among the follo
(a) cis-stilbene
(©) Both have same à (d) Cannot say
44. UVaisible works on
(a) Henty’s law.
(<) Kirchhoff law (4) Vant Dempter law
The sample cel in UV spectroscopy is gene! made of:
(2) Borosticate glass
(e) Pyrex glass (8) dass
46. Inc 100° transition 1. les in ‘aa
(6) IR region (©) Visible region
WV region (4) None of these
87. What ihe A |
(a) 214 219 (224

(9229
45, Which of the hamfo rodison s stopped by ozone

(0) Infrared a"
(6) Far infrared (4) Near lora

49. Microwave spectroscopy is known as;
{b) Vibrational spectroscopy

A (4) Plectronte irons

sw thes Aizen Prk arch

hen (Er à ae
(a) 3105 BY ® ar:
Ka) (0) 2 AAA
4 añada aa rá e ’
(Aia
(a) A=eCl ‘
ze
© A=tog'2 ex?
42 nv x Sep eee
sa ©
Sfr et
| tae <a
43. Pre à en fr 2 a irs da >
(a) RR Ben,
Oats Rew. (SE
44.

Prat ar rar
a Co Hag ter fr Rs ar dd?

af] ars
(ARPA cs
(metas aa |
46. 080 HATH A, FT 8 =
sb al
(naked ax EP

el a AA wie. au

20
214 (219 (0) 224 Q
ue

CL pa

RRE (a) Proce mar
49, GE RE A ae E

(0) ques Rage

irn a

41. as]
(a) Br, podel Paper [VE sms ==
can a gta à
51. The Separation prada ae es paa an
ioe (a) Br (bo) Hy ic}
i naaa feat
52. In Raman'spectrum th RES 8B A art eid nl en
oe los (a) 2B (o)
; Rayleigh tin amt
$3, en Soup line (d) Nor y ma nal
+ Select the wrong matching ne of these oe pao
Me (eres ae tat
(Funcional group a es
st eget ,
(© Rotational spectrum-Moment of In aes soy
E op eg ae TA A =
54. Which transition, (c) En pes ade ‘
nn Te love ene among fag a, es à Po REET ae ae
= in + o? | er E
Me re FAA TA
es CHB CL CHE hou shanty, ll” À 5 CHCLGHE CLC a
56. Which snot he Ge (4) CHyF ee ver
a wi fade aie op dl
()—Cæ C— (b)>C= 56. o can,
es al stretching frequ lency a (a) C= ; a
fa atome molecule depends on (Ie AS
(©) Both 87. ew Ravers arg dl rs fra nl
(a) and (b) pitas de
e KT
ne sg. For fic a 4
tc) 1 d 3 a
0 eng a ie U fe 500-1700 RH wa;
„sel“ de 5 4 20004000 at" (apa à ats
ee a
| ne (IS: (ono, {a0
0 RO Sigma
spectrum | val Md
(a) FY AR, do
Iman IR spectrum indicates the presence oy. | Fa CNE
(di Ay | eo aa ang ea et FETE 1700 SR ise a
RE av (a) Cowes (oi FR ES
TR

a 5

42. ee
poset raper QE—
Pa A fer mo A ire an ae) Prd &-

" Mechanics ahd Analytical Technig
E following have three vibrational modes

8. (e) NO, (Am
(ONLY | (4 Aro thee (0) 40 a ie a
frequency of alkane ie: > y, orbs wh CH ART 2
(8) 2950 cm +1 (0) 3050 em ya (a) 2950 Kit ead
R E
o a 2850 a
a a (4) 2550 cm"! CEST 4 a tt
fundamental Vibra SS
ane Nonalmedesin OCH, and HOrepectvely re: Es ee LEE
(093,4 ee : (09.3.4 en.
6S. Which one has seo dipole moment? PTT Rage ome gee?
(a) Ha ae
(b) cH,a ins!

66 ne (8) None of these E ré En em |
teduced mass y of the two atoms mand me may be given a follows: 66. A ung Bs arr m, am, E, 3 fre co al
(oyu (y= OS

m +m, "ae er
Que mn et one A
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67. Fe vibrational frequency ofa molecule proportonalo 67. IR Rs. à rn
Les e consta (6) Reduced mass aise fs amm
/elocity of light (4) Mass of the electron i (a Es

68. The infared spectrum of a compound CHO shows peaks only in a 68. wa ats CHO sees wag À ds 3600 Sud! 1020
: ES

4 (a) CH, = CH — CH,OH © an,
A 9 H
(a) al a ok (A
The most downfield signal observed for El 69. ata des fürn fos fre Per do
(0) CH; —cı PS (a) CHF Were
ee (OCH,—Br (@CH—1
79. The Sale in 120 Me Instrument of. peak whe 162 Hen 60 Mie 1 70. 120 Me aro he es a ae ot
oe SU À gui HT 162 són ai $8
(SA pia | (0)27 ppm (0) 5.4 ppm
pS ee | ag vom ln E:

43. Lu

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Mechanics

And Analytical Tech
The number of signals in Pp

MR spectrum of CH \0CH,
| ti (2 (03

node toner MB

ane
71 CHyOCH, CH, à PR tage Ren A

CH will be

wa
on (2 3
(a) 1 ant
in one of the following spe loz Ts ah we 0 nA Fr N
R CR TE où
(e) Mass spedtroscopy (d) None of these (or A (a) rie e
7% Nuclear magnet resonance mechoscopy dea ih DATE as Me a
(a) Nuclear reaction Lu
RR aie Fes cia ir
e luclear change (4) Nuclear Spin resonance en res at Rat BO
4. Which is us 74.
| sn 8060 o ali cena sit In Nv BELLE) og Rs
ere Rda
| (a) Dimethyl lane: (b) Trimethyl silane x a aan Rent (a a a ya
KO Teta met sone (4) Siane das. ae co eer ore au a 5a À.
| Ihe chemical sit on the 8-cal s 54, that on y scale would be: E gomme A aaa
(0-44 46 (44 ya (44 mas ide
N Aa pect eee hemmt
76. Ws chloride Ca CC gives he number of NMR signal: 76. ee
ws
(a2 RUES CO (m2 os hes en Fras eh Rv a #?
7. cum peo en 77. eet ver CH,CHLOH À —OH ate
Sa o
(0) No spliting à DI er Re
(c) Multiplet a Triplet (yd e
Ria Fre
78. NMR spectrum of p-xylene will give number of signals : Yo pain 02 Ware
(a) 4 NUE (2. (d) None of these ae (aja LE
79. Hin a comp proton is linked to some electro

Lo oe

oca se ng ee Fen ES TS
7
hydrogen bond, NMR absorption wll

(a) unchanged El oes ae ama

(0) upfield (d) None of these ; (ts. Pea ar $
80. The assigned value of for TMS peak is: 0% 80, Damen. oo (0 100 =

(00 (b)1 ~ (a) 100 3 QU toa aged com green’ NRA TE
81, The transition of electron from the spin state to another in NMR ls called + | At Seed ae ye wore

(b) Resonance | (a Reet in gr à BETS
(0) Relaxation à {di None of those. dal OS E
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82. In NMR it nu
ays
ll.

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: mia
83. Te value of nuca infor ya. 31241 ae
84. The ne (1 ay CL een à re gere a A BN
ee tisigiven by : (a2 a 3 Ag nt ve
(5-10 (b) 1048 E
EM m (4) None of these ides 61045
ne (08-10 (aya Tata
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(a) Ketones. fi ay En v L
(©) Esters eu | m ger ch et
Tue | E
a a Plz * peak is minimum fo en (o) (UR Rs
a cane a
At low. À
“727 110 eV, methane undergoes isoiaongnd give: (o) een qe a MESSE
(a) CH, En (aver
(CH, A None ©
Mclalaw mernogenent mobs: OE aml oa a mon hr Fe à Per t-

{e) 1, 2 H atom migration to carbonyl O-atom (@) CH, wen, (CH ama
(©) 1, 3 H atom migration to carbonyl O-atom |

Lg, a ad

(a) 1,2 HH al aña OK TA SAT
(0) 13H a ata OTE Te STAT
Net (91, 4H rag araña O TA ST

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The solvent used for extraction (ry rag ee (aaah
phases. Pr 91 Free ge fürs da A Ra 8
(b) Medium | (a) (isa

at —-

(d) None of these
90. Mass spectroscopy is used :

91

tite

45. eS

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‘and Analytical Techniques | ead ress 18==— comm 0
92. Inert solv o ==
a ie Senerally extract N) Species. a = ann... ERO am reson te E
(©) Both (a) & (b) bye a { (a) ga wagte
93. Unit of R, is eur | Ae) (a) & (oy et qe
(a) em | ES
; 4 (6) meter | 2 ee CES
(c) degree (a)
ee ES ! as (a) a à aE AE
He Sorption chromatography the most ‘commonly used absorbent is : a ares wege fes 8
+ À 0 RR ster
1) Both (a) & (b) (4) None of these 1 DE cod
9 5 ar
25 Which is technique ofsolvent extraction? 1 CO :
! at aa
(2) Batch CER tr 1
€ Counter cument (6) Alf hese Bear want
96. In paper chromatdgraphy stationary phase ls: a (ras
(e) Sota 9 NA edt ree $ En
() Gas (d) Both (a) & (b) (a) ore a ers STE
97. The adsorption of on in on exchange chromatography depends on: 1 (ta E
3 .| 07 oma A ahha set hen Anke as à |
3 Le) sere After ot cer R à
a (0) ores ware ER
1 0 re fa e
98. Which technique is used for the development of chromatogram? $ CES |
WER ee a fifa oct fee ated cams ra wh de
1) Development” ee, is ORR |
Er Ion exchange chromatography the exchange ofions obeys : | (tate a
| 99. mera ra A ery Ra Ro Pre wr era ad? |
{16 Low of mas ación © ye er Bae (oy aia car roe
(ch Adsorption ws (oy tee ax em Es
(6) None of these yo E ta cena et
100. The process of solvent extraction is more efficient if it fc carried oul in: 100. Raras pel want
(a) Single step

(0) Two step dert

D. 4

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