Integrated Rate Equation, Class 12 Chemistry NCERT Solutions

1. There will be total 10 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. The half life of a first order reaction is equal to:

 k

 Cannot be predicted

  0.693/k

 1/k

Question 1 of 10

2. For zero order reaction, linear plot was obtained for [A] vs t, the slope of the line is equal to:

 -k_o

  k_o

  -k_o /2.303

 0.693/ k_o

Question 2 of 10

3. The first order rate constant for the decomposition of N2O5 is 6.2 x 10-4 sec-1. The t1/2 of the decomposition reaction is

 228.4 sec

 1117.7 sec

 111.7 sec

 168.9 sec

Question 3 of 10

4. Find the overall order of a reaction whose rate constant is k = 3 x 10 -4 s-1

  Third

 Second

 Zero

 First

Question 4 of 10

5. Which of the following represents the expression for the 3/4^th life of a first order reaction?

 A

 B

 C

 D

Question 5 of 10

6. The type of reaction that gives constant half life is

 First order reaction

 Third order reaction

 Second order reaction

 Zero order reaction

Question 6 of 10

7. For second order reaction, the unit of rate constant is

  mol^-1 L s^-1

 s^-1

  mol^-1 L^-1 s^-1

  mol L^-1 s^-1

Question 7 of 10

8. For zero order reaction, the integrated rate equation is:

 A

 B

 C

 D

Question 8 of 10

9. The half life of a zero order reaction is equal to:

 A

 B

 C

 D

Question 9 of 10

10. If [A] is the concentration of reactant A at any time t and [A_o] is the concentration at t=0, then for the first order reaction the rate equation can be written as:

 A

 B

 C

 D

Question 10 of 10

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