MCQ Integrated Rate Equation, Class 12 Chemistry

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

Your comments:

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

Your comments:

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

Your comments:

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

Your comments:

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

Your comments:

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

Your comments:

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

Your comments:

Question 7 of 10

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

A

B

C

D

Your comments:

Question 8 of 10

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

A

B

C

D

Your comments:

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

Your comments:

Question 10 of 10

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