Important Questions of Chemical Kinetics Chemistry | Zigya

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

Advertisement
411.

If the volume of the vessel in which the reaction

2NO + O→ 2NO2

is occurring is diminished to 1/3rd of its initial volume. The rate of the reaction will be increased by

  • 3 times

  • 9 times

  • 27 times 

  • 36 times


412.

The half-life period of radioactive element is 140 days. After 560 days, 1 gram of element will reduce to

  • 1/2 g

  • 1/4g

  • 1/8 g

  • 1/16g


413.

In a chemical reaction two reactants takes part. The rate of reaction is directly proportional to the concentration of one of them and inversely proportional to the concentration of the other. The order of reaction is :

  • 0

  • 1

  • 2

  • 4


414.

If the rate constant for a first order reaction is k, the time (t) required for the completion of 99% of the reaction is given by:

  • t = 6.909/k

  • t = 4.606/k

  • t = 2.303/k

  • t = 0.693/k


Advertisement
Advertisement