Polymers-Final Shot.pptx for jee (1).pdf

Very valuade ppt for polymer for iit jee

7. B
Which one of the following polymers is not obtained by condensation polymerisation?
JEE Main 2020
(A) (B)
(C) (D)
Nylon 6, 6 Buna-N
Bakelite Nylon 6

8. C
The major product of the following reaction is
JEE Main 2019
(A) (B)
(C) (D)

9. B
The correct name of the following polymer is
JEE Main 2019
(A) (B)
(C) (D)
polyisoprene polyisobutylene
Polytert-butylene polyisobutane

10. A
Major product of the following reaction is
JEE Main 2019
(A) (B)
(C) (D)

11. B
The major product of the following reaction is
JEE Main 2019
(A) (B)
(C) (D)

12. C
The polymer obtained from the following reaction is
JEE Main 2019
(A) (B)
(C) (D)

13. B
The homopolymer formed from 4-hydroxy-butanoic acid is
JEE Main 2019
(A) (B)
(C) (D)

14. D
The copolymer formed by addition polymerization of styrene and acrylonitrile in the
presence of peroxide is
JEE Main 2018
(A) (B)
(C) (D)

15. B
Which of the following statements is not true?
JEE Main 2018
(A) (B)
(C) (D)
Nylon-6 is an example of step-growth
polymerization
Chain growth polyermization involves
homopolymerisation only.
Step-growth polymerisation requires a
bifunctional monomer
Chain growth polymersiation includes
both homopolymerisation and
copolymerisation

16. D
Which of the following polymers is synthesized using a free radical polymerization
technique?
JEE Main 2016
(A) (B)
(C) (D)
Terylene Melamine polymer
Nylon 6, 6 Teflon

17. C
Consider the Assertion and Reason given below:
Assertion (A): Ethene polymerized in the presence of Ziegler-Natta catalyst at high
temperature and pressure, is used to make buckets and dustbins.
Reason (R): High density polymers are closely packed and are chemically inert.
Choose the correct answer from the following:
JEE Main 2020
(A) (B)
(C) (D)
A is correct but R is wrong. Both A and R are correct but R is not the
correct explanation of A.
Both A and R are correct and R is the
correct explanation of A.
A and R both are wrong.

18. C
The correct match between item-1 and item II is
JEE Main 2020
(A) (B)
(C) (D)
A-III, B-IV, C-I, D-II A-III, B-IV, C-II, D-I
A-IV, B-III, C-II, D-I A-IV, B-III, C-I, D-II
Item-I `Item-II
A.Natural rubber
B.Neoprene
C.Buna-N
D.Buna-S
I.1,3-butadiene+styrene
II.1,3-butadiene + acrylonitrile
III.Chloroprene
IV.Isoprene

19. D
Preparation of bakelite proceeds via reactions
JEE Main 2020
(A) (B)
(C) (D)
electrophilic addition and dehydration Condensation and elimination
Nucleophilic addition and dehydration Electrophilic substitution and dehydration

20. C
Which polymer has ‘chiral’ monomer(s)?
JEE Main 2020
(A) (B)
(C) (D)
Buna-N Neoprene
PHBV Nylon 6, 6

21. C
The structure of Nylon-6 is
JEE Main 2019
(A) (B)
(C) (D)

22. A
Which of the following compounds is a constituent of the polymer
JEE Main 2019
(A) (B)
(C) (D)
Formaldehyde Ammonia
N-Methyl urea Methylamine

23. A
The correct match between Item-I and Item-II is
JEE Main 2019
(A) (B)
(C) (D)
A-III, B-I, C-IV, D-II A-III, B-I, C-II, D-IV
A-IV, B-II, C-I, D-IV A-II, B-IV, C-I, D-III
Item-I `Item-II
A.High density polythene
B.Polyacrylonitrile
C.Polyacrylonitrile
D.Novolac
E.Nylon 6
I.Peroxide catalyst
II.Condensation at high temperature and
pressure
III.Ziegler-Natta Catalyst
IV.Acid or base catalyst

24. A
Which of the following is a thermosetting polymer?
JEE Main 2019
(A) (B)
(C) (D)
Bakelite PVC
Nylon 6 Buna-N

25. B
Poly-β-hydroxybutyrate-co-β-hydroxyvalerate (PHBV) is a copolymer of
JEE Main 2019
(A) (B)
(C) (D)
2-hydroxybutanoic acid and
3-hydroxypentanoic acid
3-hydroxybutanoic acid and
3-hydroxypentanoic acid
3-hydroxybutanoic acid and
2-hydroxypentanoic acid
3-hydroxybutanoic acid and
4-hydroxypentanoic acid

26. C
The two monomers for the synthesis of Nylon 6, 6 are
JEE Main 2019
(A) (B)
(C) (D)
HOOC(CH
2
)
6
COOH, H
2
N(CH
2
)
6
NH
2
HOOC(CH
2
)
6
COOH, H
2
N(CH
2
)
4
NH
2

HOOC(CH
2
)
4
COOH, H
2
N(CH
2
)
6
NH
2
HOOC(CH
2
)
4
COOH, H
2
N(CH
2
)
4
NH
2

27. C
?
The formation of which of the following polymers involves hydrolysis reaction?
JEE Main 2017
(A) (B)
(C) (D)
Nylon 6, 6 Terylene
Nylon 6 Bakelite

28. B
Which of the following is a biodegradable polymer?
JEE Main 2017
(A) (B)
(C) (D)

29. D
Which of the following statements about low density polythene is false?
JEE Main 2017
(A) (B)
(C) (D)
Its synthesis requires high pressure It is a poor conductor of electricity.
Its synthesis requires dioxygen or a
peroxide initiator as a catalyst
It is used in the manufacture of buckets,
dustbins etc.

30. B
Assertion: Rayon is a semisynthetic polymer whose properties are better than natural cotton.
Reason: Mechanical and aesthetic properties of cellulose can be improved by acetylation.
JEE Main 2016
(A) (B)
(C) (D)
Both assertion and reason are correct, but
the reason is not the correct explanation
for the assertion.
Both assertion and reason are correct and
the reason is the correct explanation for
the assertion.
Assertion is incorrect statement, but the
reason is correct.
Both assertion and reason are incorrect.

31. D
Which polymer is used in the manufacture of points and lacquers?
JEE Main 2015
(A) (B)
(C) (D)
Polypropene Polyvinyl chloride
Bakelite Glyptal

32. A
Which one of the following structures represents the neoprene polymer?
JEE Main 2015
(A) (B)
(C) (D)