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 white precipitate of silver chloride immediately formed on addition of:

Silver nitrate solution to sodium chloride solution.

Silver chloride solution to sodium nitrate solution.

Silver nitrate solution to potassium chloride solution.

Silver nitrate solution to hydrogen chloride solution.

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Question 1 of 15

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

Second order reaction

Third order reaction

Zero order reaction

First order reaction

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Question 2 of 15

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

All of the above

Presence of catalyst

Initial concentration of the compound

Conditions of temperature

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Question 3 of 15

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

Alloy of aluminium

Aluminium foil

Cubes of aluminium

Aluminium powder

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Question 4 of 15

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

3

1

2

0

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Question 5 of 15

6. A zero order reaction is one in which:

One reactant s in large excess.

Concentration of reactant do not change with passage of time.

Rate is not affected by changing concentration of reactants.

Reactants do not react.

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Question 6 of 15

7. The rate determining step is the:

Slowest step and Fastest step

Slowest step

Fastest step

Moderate step

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Question 7 of 15

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

Refractive index

Conductance

Optical activity

Change in volume

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Question 8 of 15

9. All reactions occur in:

A single step and A series of steps

Two step

A single step

A series of steps

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Question 9 of 15

10. Catalyst changes:

Enthalpy of products

Enthalpy of reactants

Enthalpy of none

Enthalpy of reactions

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Question 10 of 15

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

Catalyst

Auto catalyst

Negative catalyst

Positive catalyst

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Question 11 of 15

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

Promoter

Product

Catalyst

Reactant

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Question 12 of 15

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

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

Rusting of iron

Fermentation of sugars

Hydrolysis of an ester

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Question 13 of 15

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

0

1

3

2

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Question 14 of 15

15. Which of the following will affect the rate:

First step of reaction

Fastest step

Last step of reaction

Rate determining step

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Question 15 of 15

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