Chemical Kinetics(General Knowledge > General Science ) Questions and Answers

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
Explanation:-
Answer: 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
Explanation:-
Answer: 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
Explanation:-
Answer: 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
Explanation:-
Answer: 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
Explanation:-
Answer: 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
Explanation:-
Answer: 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
Explanation:-
Answer: 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
Explanation:-
Answer: 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
Explanation:-
Answer: 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)
Explanation:-
Answer: Option B. -> H2O(s) ↔ H2O(l)
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