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CLASS-XII
PAPER :
CHEMISTRY
BOARD SCHEME:
Maximum Marks : 70
A. THEORY |
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Unit |
Topic |
Marks |
1. |
Atomic
Structure and Chemical Bonding |
04 |
2. |
The
Solid State
|
03 |
3. |
Solutions
|
05 |
4. |
Chemical
Thermodynamics
|
05 |
5. |
Electro-Chemistry
|
04 |
6. |
Chemical
Kinetics
|
04 |
7. |
Organic
Chemistry Based on Functional Groups I Halides and Hydroxy
Compounds. |
05 |
8. |
Organic
Chemistry Based on Functional Groups
II |
05 |
9. |
Organic
Chemistry Based on Functional Groups
III |
05 |
10. |
Chemistry of Representative Elements
|
06 |
11. |
Transition Metals including Lanthanides
|
06 |
12. |
Coordination Chemistry and Organometallics
|
03 |
13. |
Nuclear
Chemistry
|
03 |
14. |
Synthetic and Natural Polymers |
02 |
15. |
Surface
Chemistry
|
03 |
16. |
Bio-Molecules
|
03 |
17. |
Chemistry of Biological
Processes |
02 |
18. |
Chemistry in Action
|
02 |
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Topic-Wise Details :
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1. |
Atomic
Structure and Chemical
Bonding: Atoms :
dual nature of matter and radiation. The
de-Broglie relation. Uncertainty principle.
Orbitals and quantum numbers. shapes of
orbitals. electronic configuration of atoms.
Molecules : Molecular orbital method.
Hybridisation involving s,p,d orbitals.
|
2. |
The Solid
State: Structure of simple ionic compounds. Close
- packed structures. Ionic-radii, Silicates
(elementary ideas.) Imperfection in solids
(Point defects only). Properties of solids,
amorphous solids.
|
3. |
Solutions:
Types of
solutions. Vapour - pressure of solutions and
Raoult's law. Colligative properties. Non-ideal
solutions and abnormal molecular
masses. |
4. |
Chemical
Thermodynamics: First
law of thermodynamics : Internal energy,
enthalpy, application of first law of
thermodynamics.
Second
law of thermodynamics : Entropy, free energy,
spontancity of a chemical reaction, free energy
change and chemical equilibrium, free energy as
energy available for useful work.
Third law of thermodynamics.
|
5. |
Electrochemistry:
Electrolytic conduction. Voltaic cell.
Electrode potential and elelctromotive force.
Gibb's free energy and cell potential. electrode
potential and electrolysis. Primary cells
including fuel cells. Corrosion.
|
6. |
Chemical
Kinetics: Rate
expression. Order of a reaction (with suitable
examples). Units of rates and specific rate
constants. Order of reaction and effect of
concentration ( study will be confined to first
order only). Temperature dependence of rate
constant, fast reactions (only elementary idea).
Photochemical reaction. Photochemical reactions.
Mechanism of reaction (only elementary idea.)
|
7. |
Organic
Chemistry Based on Functional Groups I
: (Halides and hydroxy
compounds)
Nomenclature of compounds containing
halogens atoms and hydroxyl groups :
Preparation, properties and uses of haloalkanes,
haloarenes, alcohols and phenols. Correlation of
physical properties.
Physical properties.
Preparation , properties and
uses of the following :
Polyhalogen compounds :
chloroform, iodoform.
Polyhydric compounds :
ethane-1,2-diol: Propane
1,2,3-triol. |
8. |
Organic
Chemistry Based on functional Groups
II: (Ethers, aldehdes, ketones,
carboxylic acids and their derivatives).
Nomenclature of ethers. aldehydes,
carboxylic acids and their derivatives.
(acylhalides, acid anhydrides, amides and
esters).
General
methods of preparation, correlation of physical
properties with their structures, chemical
properties and uses.
Structures, chemical
properties and uses.
|
9. |
Organic
Chemistry Based on functional Groups
III: (Cyanides, isocyanides,
nitrocompounds and amines)
Nomenclature of cyanides and isocyanides;
nitro compounds and amines; and their methods of
preparation; correlation of physical properties
with structure. Chemical reactions and uses.
|
10. |
Chemistry of
Representative Elements: The
chemistry of s and p-block elements, electronic
configuration, general characteristic properties
and oxidation states of the following :
Group 1 elements - Alkali
metals.
Group 2 elements - alkaline
earth metals.
Group 13 elements -Boron
family.
Group 14 elements -Carbon
family.
Group 15 elements -Nitrogen
family.
Group 16 elements -Oxygen
family.
Group 17 elements - Halogen
family.
Group 18 elements - Noble
gases.
|
11. |
Transition Metals Including
Lanthanides: Elecltronic configuration : General
characteristic properties, oxidation state of
transition metals, atoms in their salts and
compounds.
First
row transition metals and general properties of
their compounds - oxides, halides and sulphides.
General
properties of second and third row transition
elements. Preparation, properties and uses of
potassium dichromate and potassium permanganate.
Inner transition elements : General discussion
with special reference to oxidation states and
Lanthanide contraction. |
12. |
Coordination
Chemistry and Organometallics:
Coordination compounds : Nomenclature.
Isomerism in co-ordination compounds, bonding in
co-ordination compounds, stability of
co-ordination compounds and Applications of
coordination compounds. Compounds containing
metal carbon bond. Application of
organometallics. |
13. |
Nuclear
Chemistry: Nature of radiation from
radioactive substances.
Nuclear
structure and nuclear properties, nuclear
reaction : radioactive disintegration series;
artificial transmutation of elements. Nuclear
fission and Nuclear fusion. Radio isotopes and
their uses; Carbon-dating. Synthetic elements.
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14. |
Synthetic and
Natural polymers: Classification of polymers, natural and
synthetic polymers ( with stress on their
general methods of preparation ) and imporotant
uses of the following : Teflon. PVC, Nylon-66,
Terylene and synthetic rubber.
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15. |
Surfaces :
adsorption: Colloids : Preparation and
general properties.
Emulsion and micelles.
Catalysis : Homogeneous and
heterogeneous, shape selective catalyst.
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16. |
Bio-Molecules:
Carbohydrates,
monosaccharides, disaccharides,
polysaccharides.
Amino acids, Peptides -
structure and classification.
Proteins : Structure and
their role.
Nucleic acids _ DNA and
RNA.
Biological functions of
nucleic acids - protein synthesis and
replication.
Lipids - structure,
membranes and their functions.
|
17. |
Chemistry of Biological Processes:
Carbohydrates and their metabolism. Blood,
haemoglobin and respiration. Immune system,
Vitamins and hormones. Simple idea of chemical
evolution.
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18. |
Chemistry in
Action: Dyes, Medicines,
antipyretic, analgesic, antibiotics and
tranquilisers Rocket propellants.
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B. PRACTICAL Marks : 30 |
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Unit |
Topic |
Marks |
1. |
Core
Experiments
(a) Mixture Analysis
(b) Volumetric Analysis
(c) Content Based
Experiments
|
10 06
04 |
2. |
Record
of one Investigatory Project and Viva based on
the Project |
3+2=5 |
3. |
Class
Record and viva for Core Experiments
|
3+2=5 |
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List of Core Experiments:
|
1. |
Preparation of double
salt of ferrous ammonium sulphate or potoash
alum. |
2. |
|
(i) |
Preparation of one
lyophilic and one lyophobic sol.
Lyophilic sols - starch,
egg, albumin and gum.
Lyophobic sols - hydrated
aluminium oxide, hydrated Iron (III) oxide,
arsenious sulphide. |
(ii) |
Dialysis of sols,
prepared in 2 (i) above |
(iii) |
Comparision of the
precipitation values of sodium chloride, barium
chloride and aluminium chloride for arsenious
sulphide solution. |
3. |
Study of the role of
emulsifying agents in stabilizing the emulsions
of different oils. |
4. |
Effect of
concentration and temperature on the rate of
reaction between sodium thiosulphate and
hydrochloric acid. |
5. |
|
(i) |
Separation of
pigments in leaves and flowers by paper
chromatography, Detemination of R values.
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(ii) |
Separation of
constituents present in an inorganic mixture (
constituents having wide difference in R values
only will be provided). |
6. |
Determination of the
strength of KMnO4 solution by titrating it
against. |
(i) |
Oxalic acid solution.
|
(ii) |
Ferrous ammonium
sulphate solution. |
7. |
Qualitative analysis
Determination of two cations
and two anions from mixture.
Cations : Pb2+, Cu2+, Cd2+, As3+, Hg2+, Al3+, Fe3+, Zn2+, Co2+, Mn2+, Ni2+, Ca2+, Ba2+, Sr2+, Mg2+, NH4+
Anions : S2-, So3 2-,
SO4
2-, CO3 2-, NO2 -,
NO3 - , CL-, Br-, L-, PO4 3-, CH3 COO-
|
8. |
Identification of
cations and anions in common
fertilisers. |
9. |
Study of simple
cation of carbobydrates, fats and proteins in
pure form and detection of their presence in
given foodstuffs. |
10. |
Test for the
functional groups : |
(i) |
Unsaturation. |
(ii) |
Alcoholic
group |
(iii) |
Phenolic
group. |
(iv) |
Aldehyde
group. |
(v) |
Carboxylic group.
|
(vi) |
Ketonic group
|
(vii) |
Amino
group. |
11. |
Distinguish between
the following pairs of organic compounds by
suitable chemical tests : |
(i) |
Methanol and
ethanol. |
(ii) |
Benzaldehyde and
acetone. |
(iii) |
Ethyl alcohol and
phenol. |
(iv) |
Phenol and benzoic
acid. |
(v) |
Aniline and phenol.
|
12. |
Preparation of any
two of the following : (i) lodoform, (ii) Aspirin,
(iii) Acetanilide, (iv) Di-benzal acetone, (v)
p-nitroacetanilide.
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