Chemistry Reaction Kinetics Online Quiz Test MCQs

As reaction kinetics is a quite important topic, so given below is a free online quiz about it which will help you in checking and also improving your knowledge related to this topic. Our tests include all the important questions and answers that have pretty high amount of changes for being asked in the actual exam which makes them the best source of preparation available for free.

Chemistry Reaction Kinetics Online Quiz Test MCQs

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Chemistry

1. The unit of the rate constant is the same as that of rate of reaction in:

Zero order reaction

First order reaction

Third order reaction

Second order reaction

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Question 1 of 15

2. When NaOH solution reacts with aluminium in different physical states most rapid reaction occurs:

Alloy of aluminium

Cubes of aluminium

Aluminium powder

Aluminium foil

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Question 2 of 15

3. Half life period of a first order reaction is independent of:

All of the above

Conditions of temperature

Presence of catalyst

Initial concentration of the compound

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Question 3 of 15

4. Which of the following will affect the rate:

Fastest step

Last step of reaction

First step of reaction

Rate determining step

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Question 4 of 15

5. All reactions occur in:

Two step

A single step

A series of steps

A single step and A series of steps

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Question 5 of 15

6. Catalyst changes:

Enthalpy of none

Enthalpy of reactions

Enthalpy of reactants

Enthalpy of products

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Question 6 of 15

7. The rate determining step is the:

Slowest step

Moderate step

Slowest step and Fastest step

Fastest step

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Question 7 of 15

8. When rate of reaction is restarted by adding a substance, it is said to be:

Catalyst

Negative catalyst

Auto catalyst

Positive catalyst

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Question 8 of 15

9. A pseudo uni-molecular reaction has order of reaction:

0

2

1

3

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Question 9 of 15

10. Which property of a liquid is measured by polarimeter:

Optical activity

Change in volume

Conductance

Refractive index

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Question 10 of 15

11. A white precipitate of silver chloride immediately formed on addition of:

Silver nitrate solution to sodium chloride solution.

Silver nitrate solution to potassium chloride solution.

Silver chloride solution to sodium nitrate solution.

Silver nitrate solution to hydrogen chloride solution.

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Question 11 of 15

12. The example of a photochemical reaction is photosynthesis has order of reaction:

0

3

1

2

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Question 12 of 15

13. A zero order reaction is one in which:

Concentration of reactant do not change with passage of time.

One reactant s in large excess.

Rate is not affected by changing concentration of reactants.

Reactants do not react.

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Question 13 of 15

14. The substance that alters the rate of a chemical reaction but recovered unchanged at the end is called a:

Promoter

Product

Reactant

Catalyst

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Question 14 of 15

15. Which of the following reactions occur at moderate rate:

Hydrolysis of an ester

Fermentation of sugars

Chemical weathering of stone work of buildings by acidic gases in atmosphere.

Rusting of iron

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Question 15 of 15

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