CLASS 12th CHEMISTRY SOLID STATE ppt (Animated)

eitps1506 257 views 34 slides Jun 12, 2024
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Dive into the fascinating realm of solid-state physics with our meticulously crafted online PowerPoint presentation. This immersive educational resource offers a comprehensive exploration of the fundamental concepts, theories, and applications within the realm of solid-state physics.

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Slide Content

SOLID STATE
SOLID STATE

SOLID STATE

SOLID STATE
Anything that
Matter
What is matter ?
occupies some space and
possesses some mass

SOLID STATE
Matter
Solid
Liquid
Gas
States of matter that
we come across are…

SOLID STATE
SOLIDS LIQUIDS GASES
+D
–D –D
+D
Matter
Are all the three states
interconvertible?
+ D = means heating D = means cooling
yes
SOLIDS

SOLID STATE
DIPOLE–DIPOLEINTERACTION,
DIPOLE–INDUCEDDIPOLEINTERACTION,
LONDONFORCES,
HYDROGEN BONDINGetc.
Matter
SOLIDS LIQUIDS GASES
+D +D
–D –D
Thisphysicalstateofmatteristheresultofinterplayof
INTERMOLECULAR
FORCESOFATTRACTIONlike

SOLID STATE
1.Matterisanythingthatoccupies_______andpossess_______.
a) Some mass, some space
b) Some space, some mass
c) Some mass, some mass
d) Some space, some space

SOLID STATE
2.Thegeneralperceivablestatesofmatterthatwecomeacrossinour
dailylifeare…
a) 3
b) 5
c) 7
d) 8

SOLID STATE
3.Physicalstateofmatterisaresultofinterplayof…
a) Intermolecular forces
b) Intramolecular forces
c) Mutual forces
d) Both a & b

SOLID STATE
4.Intermolecularforcesare…
a) Dipole -dipole
b) Dipole induced dipole
c) London forces
d) All of these

SOLID STATE

SOLID STATE

SOLID STATE
CHARACTERISTICS OF SOLIDS
1. Solids have
Fixed Composition
MASS,
VOLUME,
DefiniteSHAPE
and Density

SOLID STATE
More Closely
packed
Less closely packedVery loose packing
or
Least close packing
2)Packing
3)Density=
Mass
Volume
High Moderate Least
SOLIDS LIQUIDS GASES

SOLID STATE
Microscopic view of a solid

SOLID STATE
CHARACTERISTICS OF SOLIDS
1. Solidsof fixed composition have fixed MASS, VOLUME, SHAPEand
DENSITY. Order of density : Solids > Liquids > Gases
Exception : density
ICE< density
WATER
2. In solids-Intermolecular distance is shortest
CAN IT BE
COMPRESSED?
Hence solids are incompressible
NO

SOLID STATE
CHARACTERISTIC OF SOLIDS
Solids with weak IMF -low M.P.
Solids with strong IMF -high M.P.
3. Solidshave the strongest intermolecular force of attraction

SOLID STATE
FIXED
VIBRATORY
motion of solid state particles of
matter

SOLID STATE
1.Solidswithfixedcompositionhavefixed…
a) mass
b) volume
c) shape
d) All of these

SOLID STATE
2.Solidparticleshave…intermolecularforceofattraction…
a) weak
b) strong
c) moderate
d) zero

SOLID STATE
3.Solidshave…motion
a) linear
b) rotational
c) translational
d) vibratory

SOLID STATE
4.Selectthefalsestatement…
a) Solids are incompressible
b) Solids have small intermolecular distance
c) Solid particles have random position
d) Solids have high density

SOLID STATE

SOLID STATE
CLASSIFICATION OF SOLIDS
SOLIDS
Crystalline Amorphous

SOLID STATE
CRYSTALLINE SOLID
CHARACTERISTICS OF CRYSTALLINE SOLID
Common Salt –An Example of Crystalline
solid
What is the formula of
Common salt?
Common Salt i.e.
Sodium chloride has
the formula NaCl
How Na
+
and Cl
-
ion
are arranged in the
crystal lattice?
Regular / homogenous/ uniform
Three Dimensional Figure

SOLID STATE
Regular / homogenous/ uniform
Such homogeneous / uniform
arrangement is observed in Crystalline
solid.
CRYSTALLINE SOLID
CHARACTERISTICS OF CRYSTALLINE SOLID

SOLID STATE
Three Dimensional Figure
These 3D image structure can be
represented as
Thus the general structure can be
represented as
1. Crystalline Solids are homogeneous solids.
CRYSTALLINE SOLID
CHARACTERISTICS OF CRYSTALLINE SOLID
A
B
B
B
A
A
A
B
B
B
A
A
A
B
B
B
A
A
A B A B A B

SOLID STATE
A
B
B
B
A
A
A
B
B
B
A
A
A
B
B
B
A
A
A B A B A BWhat is an order ?
2. It exhibits long range order.
Order implies some sort of repetition
in the structure
Some what like PERIODICITY
1. Crystalline Solids are homogeneous solids.
So, why long range ?
Long range simply implies continuity
CRYSTALLINE SOLID
CHARACTERISTICS OF CRYSTALLINE SOLID

SOLID STATE
How are these
solids built?
2. It exhibits long range order.
1. Crystalline Solids are homogeneous solids.
3.DEFINITION :The constituent particles are arranged in definite
repeating pattern.
4. They are aggregates of small tiny crystals called unit cell.
UNIT CELL
CRYSTALLINE SOLID
CHARACTERISTICS OF CRYSTALLINE SOLID

SOLID STATE
1.Crystallinesolidsare…andhave-------------------order
a) Homogeneous, long range
b) Homogeneous, short range
c) Heterogeneous, long range
d) Heterogeneous, short range

SOLID STATE
2.NaClisanexampleof________solid.
a) Amorphous
b) Crystalline
c) Both
d) None

SOLID STATE
3.Orderimplies…
a) Repetivity
b) Periodicity
c) Unity
d) Both a & b

SOLID STATE
4.Thebasicunitofcrystallinesolidis…
a) Unit cell
b) Small tiny crystal
c) Both a & b
d) None of these

SOLID STATE
Thank you…