Reaction Kinetics MCQs Quiz.2 || 1st Year Chemistry

Reaction Kinetics MCQs Quiz.1 with correct answers. Online Quiz based on all past papers solved MCQs. After solving these MCQs you can clear any competitive exams easily. Therefore try to solve MCQs truthfully. For more Online quizzes you can visit Chapter.2 MCQs Quiz. 1 and Quiz.2.

Reactions Kinetics MCQs Quiz:

Chapter # 11 MCQs Quiz.2

1. The energy of activated complex is

a) Greater than the reactants and products

b) Less than the reactants and products

c) Equal to the products

d) Equal to the reactants

2. Indicate the enzyme which catalyzes the following

C₆H₁₂O₆ --------> 2C₂H₅OH + 2CO₂

a) Diastase

b) Zymase

c) Urease

d) Invertase

3. Which of the following is an example of homogeneous catalysis?

a) Formation of ghee from oil

b) Formation of SO₃ in contact process

c) Hydrolysis of ester

d) Formation of NH₃ in Haber process

4. Hydrolysis of tertiary butyl bromide has an order of reaction

a) First order

b) Pseudo first order

c) Second order

d) Third order

5. A substance that decreases the efficiency of a catalyst is called

a) Promoter

b) Activator

c) Poison

d) Auto catalyst

6. Photochemical reactions are

a) First order

b) Third order

c) Second order

d) Zero order

7. The energy of activation for a reaction by using a catalyst is

a) Increased

b) Decreased

c) Not changed

d) Moderate

8. Specific rate constant is equal to the rate of reaction when the concentration of reactants is

a) Zero

b) Four

c) Three

d) Unity

9. The equation K = Ae⁻ᴱᵃ/ᴿᵀ is called

a) Rate law

b) Rate equation

c) Arrhenius equation

d) General gas equation

10. The rate of a chemical reaction is independent of

a) Molecularity

b) Temperature

c) Nature of reactants

d) Concentration of reaction

11. By increasing the temperature, rate of a chemical reaction

a) Increases

b) Decreases

c) Remains same

d) Stop

12. The value of activation energy is primarily determined by

a) Temperature

b) Effective collision

c) Concentration of reactants

d) Chemical nature of reactants and products

13. The rate of reaction with respect to the change to the change of concentration of products is

a) Negative

b) Positive

c) Zero

d) None

14. The average rate will be equal to the instantaneous rate when the time interval approach is called

a) Unity

b) Infinity

c) Zero

d) None

15. Which of the following will have a very high rate of reaction

a) Double decomposition reaction

b) Neutralization reaction

c) Ionic reactions

d) All of these

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