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

1

3

0

2

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Question 1 of 15

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

Initial concentration of the compound

All of the above

Presence of catalyst

Conditions of temperature

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Question 2 of 15

3. Catalyst changes:

Enthalpy of reactions

Enthalpy of products

Enthalpy of none

Enthalpy of reactants

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Question 3 of 15

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

Optical activity

Refractive index

Change in volume

Conductance

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Question 4 of 15

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

Negative catalyst

Auto catalyst

Positive catalyst

Catalyst

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Question 5 of 15

6. 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 6 of 15

7. The rate determining step is the:

Slowest step and Fastest step

Moderate step

Fastest step

Slowest step

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Question 7 of 15

8. All reactions occur in:

A series of steps

A single step and A series of steps

A single step

Two step

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Question 8 of 15

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

Reactant

Promoter

Catalyst

Product

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Question 9 of 15

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

Silver nitrate solution to potassium chloride solution.

Silver nitrate solution to hydrogen chloride solution.

Silver chloride solution to sodium nitrate solution.

Silver nitrate solution to sodium chloride solution.

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Question 10 of 15

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

Rusting of iron

Hydrolysis of an ester

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

Fermentation of sugars

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Question 11 of 15

12. A zero order reaction is one in which:

One reactant s in large excess.

Reactants do not react.

Rate is not affected by changing concentration of reactants.

Concentration of reactant do not change with passage of time.

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Question 12 of 15

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

Aluminium powder

Alloy of aluminium

Aluminium foil

Cubes of aluminium

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Question 13 of 15

14. Which of the following will affect the rate:

Rate determining step

Fastest step

First step of reaction

Last step of reaction

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Question 14 of 15

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

1

0

2

3

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Question 15 of 15

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