Quiz  /  Chemical Kinetics Class 10 MCQ Questions With Answers

  • 1. 
    When following system is disturbed by heating the system container how does the system act?H2(g) + l2(g) ↔ 2HI(g) ΔH= -9.6kj/mol

  • System shifts product side
  • System shifts reactant side
  • System does nothing

  • 2. 
    What is the rate equation of following chemical reaction?2NaOH + H2SO4 → Na2SO4 + 2H2O

  • Rate = k.[NaOH]2.[H2SO4]
  • Rate = k.[NaOH].[H2SO4]
  • Rate = k.[NaOH]2
  • Rate = k.[NaOH]2.[H2SO4]2

  • 3. 
    Which of the followings is not the dynamic chemical equilibrium?

  • H2(g) + l2(g) ↔ 2HI(g)
  • H2O(s) ↔ H2O(l)
  • N2O4(g) ↔ 2NO2(g)
  • N2(g) + 3H2(g) ↔ 2NH3(g)

  • 4. 
    What is explaining behaviors of a system at equilibrium?

  • Avagadro's Law
  • Boyles Law
  • Le Chatelier Principle
  • Collusion Theory

  • 5. 
    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

  • Increase
  • Deacreas
  • No change

  • 6. 
    When following system is disturbed by addition of catalyst to the system container how does concentration of O2 change?2SO2(g) + O2(g) ↔ 2SO3(g) ΔH= +9kj/mol

  • Increase
  • Deacrease
  • No change

  • 7. 
    When following system is disturbed by addition of Oxygen gas to the system container how does concentration of SO2 change?2SO2(g) + O2(g) ↔ 2SO3(g) ΔH= +9kj/mol

  • Increase
  • Deacrease
  • No change

  • 8. 
    Limestone chunks are reaction with hydrochloric acid solution at constant temperature with average speed. If we crash the chunks of limestone into powder how would speed of reaction change?

  • Reaction speeds up
  • Reaction does not change
  • Reaction slows down
  • Reaction stops

  • 9. 
    A+B →C+D ΔH = -202kj/molHow can above reaction be classified in terms of energy exchange during chemical change?

  • Combination reaction
  • Endothermic reaction
  • Transthermal reaction
  • Exothermic reaction

  • 10. 
    When following system is disturbed by addition of inert gas to the system container how does concentration of SO3 change?2SO2(g) + O2(g) ↔ 2SO3(g) ΔH= +9kj/mol

  • Increase
  • Deacrease
  • No change

  • 11. 
    When following system is disturbed by increasing volume of system container how does concentration of SO2 change?2SO2(g) + O2(g) ↔ 2SO3(g) ΔH= +9kj/mol

  • Increase
  • Deacrease
  • No change

  • 12. 
    When following system is disturbed by addition of Hydrogen gas to the system container how does the system act?H2(g) + l2(g) ↔ 2HI(g)

  • System shifts products side
  • System shifts product side
  • System does nothing

  • 13. 
    What is the degree of the following chemical reaction?4Al + 3O2 → 2Al2O3

  • 4
  • 5
  • 6
  • 7

  • 14. 
    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)

  • System shifts product side
  • System shifts reactant side
  • System does nothing

  • 15. 
    What is the parameter to measure the rate or speed of a reaction beside time?

  • Change in volume
  • Change in consentration
  • Change in pressure
  • Change in temperature

  • 16. 
    To measure rate of reaction, either decreasing mass of solid reactant or increasing volume of gaseous products are used. Which of the following reactions uses increasing volume of gaseous product method to measure the its rate?

  • Reaction between iron metal and air
  • Reaction between sodium hydroxide and nitric acid
  • Reaction between  table salt and water
  • Reaction between hydrochloric acid and aluminum metal

  • 17. 
    When following system is disturbed by removing of Hydrogen iodide gas to the system container how does the system act?H2(g) + l2(g) ↔ 2HI(g)

  • System shifts product side
  • System shifts reactant side
  • System does nothing
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