Chemical Kinetics and Chemical Equilibrium

Chemistry Board Question
Chapter Nine
Chemical Kinetics and Chemical Equilibrium
Short Questions
1. What is meant by chemical equilibrium? Explain with the diagram. (SB-04, DB-02, CB-01, BB-04, RB-00, DB-02, RB-05) 2
2. i) Dscuss the Le-chatelier's principle. (DB-05) 2
 ii) What is Le-chatelier's Principle? (DB-02, SB-02) 1
 iii) How ammonia can be synthesised with application of Le-chatelier's Principal? (DB-01, CB-04, 00, SB-05, JB-05) 3
3. i) What will be the effect of changing presure on the chemical equilibrium for the reaction : N2(g) + 2H2(g) = 2NH3(g) (Ctg-02) 2
 ii) Discuss the effect of changing temperature on the chemical equilibrium of the reaction : N2(g) + 2H2(g) = 2NH3(g)  H = 92 kj mol1 (Ctg-02) 2
4. What is equilibrium constant? (CtgB-99, DB0=-01, JB-00) 01
5. i) What is meant by reversible reactions? (CB-05) 1
 ii) What are reversible reactions? Cite example. (DB-04, JB-00, CB-01, DB-00, 05, CB-99, DB-05) 2
 iii) Describe one method to convert a reversible reaction to one way reaction with example. (CB-99) 2
6. i) What is optimum temperature? State example. (JB-01, SB-05, CB-02) 1+1=2
 ii) Describe the importance of optimum temperature on the industrial manufacture ammonia. (CtgB-02, 05) 2
7. i) What is meant by Catalyst? Write the name of one positive catalyst and one negative catalyst. (RB-99) 2
 ii) What do you mean by auto catalyst? Write with equation. (BB-01) 2
 iii) Write the four utilization of catalyst in the industry. (JB-04) 2
 iv) In the industrial purpose write the three characteristics of the catalyst. 2
8. What is meant by chemical kinetics? (SB-04, JB-03, CtgB-01, CB-05, BB-05) 1
9. i) Prove with an experiment that the rate of the reaction increases with the increase of concentration of the reactants. (RB-05)pre08 2
 ii) Prove with an experiment that, the rate of a reaction is directly proportional to the concentration of the reactants. (CtgB-05, DB-01, 02) 2
10. i) Prove with an experiment that, the rate of reaction increases with the increase of concentration of the reactants. (BB-02, RB-05)
 ii) Write with equation what happens, when Hydrochloric acid is added to sodium thiosulphate solution. (CtgB-05)
Broad Question
11. i) How ammonia can be synthesised / manufacture with the application of Le-chatelier's principle? (DB-01, CB-04, RB-00, 04, SB-05, JB-05) 3
 ii) Show the application of Le-chatelier's principle in the manufacture of sulphur trioxide. (CB-02) 3
 iii) Show the application of Le-chatelier's Principal for the manufacture of NH3 and SO3 in the industry. (CB-99)pre08 4
 iv) Discuss the application of Le-chatelier's principal on the industrial manufacture of ammonia. (DB-04, SB-05, RB-02, BB-03, SB-05) 3
12. What is Catalyst? Show the use of Catalyst in the industry. (SB-05, DB-04) 3
13. What do you mean by chemical Kinetics? Discuss the effect of temperature and concentration on the rates of chemical reaction. (JB-03, BB-05) 1+3=4
14. What is chemical Kinetics and chemical equilibrium? Discuss with the drawing a graph. (SB-04) 3
15. i) What is reversible reaction? Describe two process to convert a reversible reaction to one way. (JB-01, CB-99, DB-00) 4
 ii) Describe how many ways reversible reactions can be converted to one way. (CtgB-01) 6
 iii) How can a reversible reaction be made to go in one direction? Write with example. (JB-02, DB-01, CtgB-99) 4
16. Discuss the effect of temperature and pressure on the chemical equilibrium of reaction. (DB-03) 4
17. Chemical equilibrium is a dynamic system / equilibrium Explain. (BB-03, 04) 3