based on maharashtra board.

1. Class Test
By azim

2. Marks- 10 chemical equilibrium Unit test
1. Define with example-
a) Exothermic and endothermic reaction.
b) Degree of dissociation and dissociation constant of weak
acid.
c) Strong and weak electrolyte.
d) pH and pOH.
e) Buffer action and buffer solution.
2. Why is chemical equilibrium called dynamic equilibrium.
3. What are the characteristics of chemical equilibrium.
4. State and explain law of mass action.
5. Derive the relationship between Kc and Kp for reaction
aA(g) + bB(g)  cC(g) + dD(g)
6.State Le-chatelier’s principle.
7. Derive Ostwald’s dilution law for weak acid CH3COOH.

3. Marks- 10 Chemical bond class test 2
1. Define Ionic bond and covalent bond. [2]
2.Explain Hybridization and type of hybridization.[2]
3. State Octet rule with example. [2]
4. Write postulate of valence bond theory. [2]
5. Explain with example (a)s-s overlap (b) p-p
overlaps. [2]
6. Explain the formation of methane molecule on the
basis of hybridization. [4]

4. Marks- 10 Hydrogen class test 2
1. Explain the formation of Hydrogen in the periodic
table on the basis of its electronic configuration. [2]
2.Describe the bulk preparation of dihydrogen by
electrolytic method. [2]
3. Write a brief note on isotopes of hydrogen. [2]
4. What are the physical properties of dihydrogen?
[2]

5. Marks- 10 Basic principle and techniques of organic chemistry
class test 2
1. Mention some industries based on organic
chemistry. [2]
2. Write a note on homologous series. [4]
3. Define crystalline and amorphous substance. [2]
4. What are electrophiles and nucleophiles? Explain
with example. [2]

6. Surface chemistry & Redox reaction
1. What are the characteristics of adsorption. [2]
2. Distinguish between homogenous and heterogeneous
catalyst. [2]
3. Define tyndall effect and brownian motion. [2]
4. Define oxidizing and reducing agent. [2]
5. Define oxidation no. or oxidation state. [2]
6. Assign oxidation no. to Mn2O3, Al(OH)4
-. [2]
7. Balance the following redox equation in basic medium
by oxidation no. method: [4]
Mn2
+
(aq) + H2O2(aq)  MnO2(s) + H2O(l)