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Class 12 Chemistry - Chapter 4: Chemical Kinetics MCQ Questions

20 Questions 40 Minutes
Answered: 0 / 20Unanswered: 20

Your Class 12 Chemistry Study Path

  1. 1LearnNCERT Solutions
  2. 2PracticeChapter MCQs
  3. 3TestChapter Test
  4. 4PrepareSample Papers
  5. 5Exam PracticePrevious-Year Papers
  6. 6Final CheckMock Test
Question 1

If half life period of a first order reaction is 100 seconds. Then rate constant will be:

Question 2

If a graph is plotted between In k and 1/T for the first order reaction, the slope of the straight line so obtained is given by

Question 3

The half life of a first order reaction having rate constant 200 s-1 is

Question 4

The units of the rate constant for the second order reaction are:

Question 5

The rate of a reaction is 1.209 × 10-4L² mol-2s-1. The order of the reaction is:

Question 6

Half life period of a first order reaction is:

Question 7

If the concentrations are expressed in mol litre-1 and time in s, then the units of rate constant for the first-order reactions are

Question 8

A catalyst increases the rate of a reaction by

Question 9

If rate constant for a reaction is mole litre-1 second-1, then order of reaction is:

Question 10

A reaction is found to be of second order with respect to concentration of carbon monoxide. If concentration of carbon monoxide is doubled, the rate of reaction will

Question 11

The overall order of a reaction, which has the rate expression: Rate = AC[A]1/2[B]3/2 is:

Question 12

The value of k for a reaction is 2.96 × 10-30 s-1. What is the order of the reaction?

Question 13

Half life period of a first order reaction depends upon:

Question 14

A catalyst increases the speed of a chemical reaction by

Question 15

Time required for 100% completion of a zero order reaction is:

Question 16

A first order reaction has a half life period of 34.65 seconds. Its rate constant is

Question 17

Arrhenius equation is represented by:

Question 18

Identify the order of reaction from the given rate constant k = 2.6 × 10-4 L mol-1 s-1

Question 19

The unit of rate constant for a zero order reaction is

Question 20

For a reaction: N2 + 3H2 → 2NH3, the rate of reaction with respect to NH3 will be:

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