Class 12th Chemistry Important Topics for 2020-21 List
Physical Chemistry Chapters :
Solid State
1. What is anisotropic ?
2. Difference between crystalline and amorphous solid (Table 1.1) ?
3. Learn example and attractive force/bonding of different type of solids
(Table 1.2) .
4. No. of particle in all Unit cells
Z=1 (Simple cubic/Primitive unit cell)
Z=2 (Body Centered Cubic Cell)
Z=4 (Face Centered Cubic Cell)
5. Example 1.1 ,1.2,1.3
Density based numerical
6. Imperfections in solids
Point defect (v . imp).
(With definition and example).
7. What is F-Centre (it is responsible for colour in solids) ?
Solution
1. Henry's law and Roault's law.(Statement and mathematical representation and graph and application/consequences)
2. Difference b/w :-
(i).Positive and negative deviation of non-ideal solution
(ii).Ideal and non-ideal solutions
(iii).maximum and minimum boiling azeotrope
3. All colligative properties for numerical (imp osmosis).
4. Reverse osmosis (Definition and graph and process and movement of solvent and solute and its industrial uses)
Electrochemistry
1. Numerical on Nernst equation and E not cell and delta G
2. Example 3.4 (v .v. v . imp )
3. Kohlrausch's Law
4. page no. 80
(Variation of conductivity with molar conductivity and concentration)
(Fig 3.6)
(Weak electrolyte and strong electrolyte).
Chemical Kinetics
1. Numerical on integrated rate equation
2. Difference b/w on order and molecularity
Surface Chemistry
1. Difference b/w adsorption and absorption
2. Why adsorption is exothermic in nature ?
3. Difference b/w physical and chemical adsorption (Table 5.1)
4. Adsorption isotherm
5. Colloids (Table 5.5)
6. Difference b/w lyophilic and lyophobic colloids
7. Difference b/w Multimolecular and Macromolecular and associated colloids
7. What is peptization, coagulation, tyndall effect , brownian effect , electrokinetic potential or Zeta potential
8. Hardy-Schulze rule.
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