General Science

CHEMICAL KINETICS MCQs

Total Questions : 25

Page 1 of 3 pages
Question 1. Which of the following plots will show a linear relationship for a second order reaction?
  1.    [A] vs time
  2.    1/[A] vs time
  3.    ln[A] vs time
  4.    [A]2 vs time
 Discuss Question
Answer is Option B. -> 1/[A] vs time
Question 2. When following system is disturbed by addition of Nitrogen gas to the system container how does the system act?H2(g) + l2(g) ↔ 2HI(g)
  1.    System shifts product side
  2.    System shifts reactant side
  3.    System does nothing
  4.    none of the above
 Discuss Question
Answer is Option C. -> System does nothing
Question 3. The reaction which takes place in a single step
  1.    Elementary reaction
  2.    Complex reaction
  3.    Neutral reaction
  4.    None of the above
 Discuss Question
Answer is Option A. -> Elementary reaction
Question 4. What is explaining behaviors of a system at equilibrium?
  1.    Avagadro's Law
  2.    Boyles Law 
  3.    Le Chatelier Principle
  4.    Collusion Theory
 Discuss Question
Answer is Option C. -> Le Chatelier Principle
Question 5. When following system is disturbed by heating the system container how does the system act?H2(g) + l2(g) ↔ 2HI(g) ΔH= -9
  1.    System shifts product side
  2.    System shifts reactant side
  3.    System does nothing
  4.    All of above
 Discuss Question
Answer is Option B. -> System shifts reactant side
Question 6. What is the rate equation of following chemical reaction?2NaOH + H2SO4 → Na2SO4 + 2H2O
  1.    Rate = k.[NaOH]2.[H2SO4]
  2.    Rate = k.[NaOH].[H2SO4]
  3.    Rate = k.[NaOH]2
  4.    Rate = k.[NaOH]2.[H2SO4]2
 Discuss Question
Answer is Option A. -> Rate = k.[NaOH]2.[H2SO4]
Question 7. What is the difference between integrated method and differential method
  1.    number of order
  2.    Raw data at y axis
  3.    Raw data at x axis
  4.    Non of the above
 Discuss Question
Answer is Option A. -> number of order
Question 8. When following system is disturbed by cooling the system container how does concentration of SO3 change?2SO2(g) + O2(g) ↔ 2SO3(g) ΔH= +9kj/mol
  1.    Increase
  2.    Deacreas
  3.    No change
 Discuss Question
Answer is Option B. -> Deacreas
Question 9. Half life for zero order reaction depends upon
  1.    Initial concentration of reactant
  2.    Initial concentration of product
  3.    Both 1,2
  4.    None of the above
 Discuss Question
Answer is Option A. -> Initial concentration of reactant
Question 10. Which of the followings is not the dynamic chemical equilibrium?
  1.    H2(g) + l2(g) ↔ 2HI(g)
  2.    H2O(s) ↔ H2O(l)
  3.    N2O4(g) ↔ 2NO2(g)
  4.    N2(g) + 3H2(g) ↔ 2NH3(g)
 Discuss Question
Answer is Option B. -> H2O(s) ↔ H2O(l)