MCQ Chemical Kinetics Chapter 4 Class 12 Chemistry

MCQ’s For All Chapters – Chemistry Class 12th

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. A foreign substance that increase the speed of a chemical reaction is called

promotor

catalyst

moderator

inhibitor

Your comments:

Question 1 of 10

2. What will be the value of instantaneous rate of reaction from the graph?

r_inst = 1/ Slope

r_inst = Slope

r_inst = - Slope

r_inst = - 1/ Slope

Your comments:

Question 2 of 10

3. In a chemical reaction, x + 2 y → z, if the rate of appearance of z is 0.50 moles per litre per hour, then the rate of disappearance of y is

A

B

C

D

Your comments:

Question 3 of 10

4. What will be the value of instantaneous rate of reaction from the graph?

r_inst = Slope

r_inst = -1/ Slope

r_inst = 1/ Slope

r_inst = - Slope

Your comments:

Question 4 of 10

5. The following graph is plotted as time on the x - axis and concentration of A on the y - axis. Identify A.

Catalyst

Product

Reactant

Promoter

Your comments:

Question 5 of 10

6. Identify the INCORRECT statement.

The rate of a typical reaction doubles with a 10° C rise in temperature.

The reaction mechanism is a step-by-step pathway by which reaction occurs.

The overall rate of reaction is determined by the rate of the fastest elementary step.

The reaction mechanism is typically a series of elementary reaction steps.

Your comments:

Question 6 of 10

7. For the reaction . The variation of the concentration of the products is given by curve

Y

W

Z

X

Your comments:

Question 7 of 10

8. The term in the rate expression refers to the:

Increase in concentration of the reactants

Average rate of the reaction

Instantaneous rate of the reaction

Concentration of the reactants

Your comments:

Question 8 of 10

9. Instantaneous reaction expresses

Rate at particular moment of time

Pressure at particular time

Speed at particular time

Concentration at particular time

Your comments:

Question 9 of 10

10. Identify A in the given diagram.

Order of reaction

Average rate of reaction

Concentration of the catalyst

Instantaneous rate of reaction

Your comments:

Question 10 of 10

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