Class 12th Chemistry Chapter Chemical Kinetics free mcq test quiz

Are you ready to put your knowledge of Chemical Kinetics to the test? Get ready to dive into the exciting world of reaction rates, rate laws, and reaction mechanisms with our free test quiz for Chapter Chemical Kinetics!

Check Class 12th Chemistry Chemical Kinetics Chapter Knowledge

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12th Chemistry: Chemical Kinetics

1 / 10

1. Which one of the following reactions is a true first order reaction?

Alkaline hydrolysis of ethyl acetate

Acid catalyst hydrolysis of ethyl acetate

Decomposition of N₂O

Decomposition of gaseous ammonia on a hot platinum surface

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2. Units of rate constant of first and zero order reactions in terms of molarity M unit are respectively

sec^–1, Msec^–1

sec^–1, M

Msec–1, sec^–1

M, sec^–1.

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3. If the rate of the reaction is equal to the rate constant, the order of the reaction is

3

1

2

0

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4. The rate of reaction depends upon the

volume

force

pressure

conc. of reactants

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5. The rate law for a reaction between the substances A and B is given by Rate = k [A]n [B]m On doubling the concentration of A and halving the concentration of B, the ratio of the new rate to the earlier rate of the reaction will be as

(m + n)

(n – m)

2(n –m)

(m n)

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6. Order of reaction is decided by

temperature

mechanism of reaction as well as relative concentration of reactants

molecularity

pressure

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7. The role of a catalyst is to change

gibbs energy of reaction.

enthalpy of reaction.

activation energy of reaction.

equilibrium constant.

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8. A zero order reaction is one whose rate is independent of

the concentration of the reactants

the temperature of reaction

the concentration of the product

the material of the vessel in which reaction is carried out

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9. At the beginning the decrease in the conc. of reactants is

slow

moderate

rapid

None of above

10 / 10

10. The rate of reaction between two specific time intervals is called

instantaneous rate

average rate

specific rate

ordinary rate

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? Note: This quiz is entirely free, and all students of Class 12th Chemistry are invited to participate. Make the most of this opportunity to strengthen your understanding of Chemical Kinetics and excel in your exams!

Chapter wise quiz of XII class chemistry

In this quiz, you will have the opportunity to showcase your understanding of the following key concepts:

1️⃣ Reaction Rates: Understanding how fast or slow a chemical reaction takes place and factors affecting it.

2️⃣ Rate Laws: Determining the mathematical relationship between the concentration of reactants and the rate of a reaction.

3️⃣ Integrated Rate Laws: Exploring the concentration changes of reactants over time.

4️⃣ Activation Energy: Unraveling the energy barrier that reactants must overcome to initiate a chemical reaction.

5️⃣ Arrhenius Equation: Understanding the relationship between temperature, rate constant, and activation energy.

6️⃣ Catalysis: Examining the impact of catalysts on reaction rates and mechanisms.

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