Mock Test on Chemical Kinetics Mhtcet Chemistry 2023.

Online Test Series on Chemical Kinematics for getting prepared you in Mhtcet Exam 2023. Chemical Kinetics is a valuable chapter for Mhtcet Examination. It can gives you at least 4 marks in the main exam of Mhtcet 2023 (Chemistry).

This Online Test Series Contains 20 Questions from the Chemical Kinetics Chemistry (Mhtcet 2022). Enhance your skills by Solving Mocktest Question of Mhtcet 2022 and Increase your percentile in upcoming Mhtcet exam 2023.

The Focused topic of Chemical Kinetics Chemistry Mhtcet 2023.

Rate of reaction
Rate of reaction and reactant concentration
Molecularity of elementary reaction
integrated rate law
Collision theory of bimolecular reactions Temperature dependence of reaction rates
Effect of catalyst on the rate of reaction

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Created on February 03, 2022 By

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Mock Test On Chemical Kinetics

INTRODUCTION:-Three impotant characteristics of chemical reactions include : extent of reaction, feasibility and its rate. In standard XI, we learnt how equilibrium constants predict the extent of reaction. In unit 3 of this text, we learnt how thermodynamics properties such as change in entropy or enthalpy tell us whether under the given set of conditions chemical equation occurs or not. chemical kinetics is a branch of chemistry reactions and the factors those affect them.

A chemist wants to know the rates of reactions for different reasons rates help us to predict how rapidly the reaction approaches equilibrium. Secondly it gives information on the mechanism of chemical reactions.

A number of reactions occurs as a sequence of elementary steps constitution the mechanism of reaction.

1 / 20

Molecularity of an elementary reaction can be_____.

zero

natural number

fraction

negative

2 / 20

Order of a reaction____.

cannot be zero

will always be 1

can be integer but cannot be fractional

can be integer or fractional

3 / 20

During the course of chemical reaction the rate constant____.

increases as the reaction proceeds

remains constant

decreases as the reaction proceeds

first decreases followed by an increase

4 / 20

When reaction progresses,___.

the rate of the reaction goes on increasing

the concentration of the products goes on decreasing

the concentration of the reactants goes on decreasing

the reaction rate always remains constant

5 / 20

The study of the rate of chemical reactions and factors affecting its rate is known as___.

Thermodynamics

electrochemistry

chemical kinetics

ionic equilibrium

6 / 20

Radioactive processes follow_____ the kinetics.

zero

second

third

first

7 / 20

Radioactive processes follow_____ the kinetics.

zero

second

third

first

8 / 20

The time of completion of 90% of a first order reaction is approximately _____times that of half life.

1.1

2.2

3.3

4.4

9 / 20

Generally the order of an element reaction___.

is equal to its molecularity

cannot be predicted

depends on temperature

is twice its molecularity

10 / 20

In an elementary reaction:
2A + B -----> C+ D, the molecularity of the reaction is __.

11 / 20

When the concentration of a reactant in the reaction, A —— B is increased by 8 times, the rate increases by ? times. The order of the reaction is

1/2

1/3

12 / 20

For first order reaction, the plot of Log₁₀ [A]₀/[A]₁versus time is a_____.

straight line with negative slope

curved line

straight line passing through origin

straight line parallel to.r-axis

13 / 20

Which of the following statements about zero order reaction is FALSE?

The unit of rate constant is Sec-1

The differential rate law is Rate = k.

The half life of zero order reactions is proportional to the initial concentration of reactant.

Rate of reaction is independent of concentration of reactants.

14 / 20

In a first order reaction A → B, if k is rate constant and initial concentration of the reactant A is 0.5 M then the half life is____.

0.693/0.5k

log2/k

log2/0.5k

In2/k

15 / 20

The initial rates of reaction 3A + 2B + C ------>Products, at different initial concentrations are given below

Initial rate, M s^-1	[A]₀, M	[B]₀, M	[C]₀, M
5.0 * 10^-3	0.010	0.005	0.010
5.0 * 10^-3	0.010	0.005	0.015
1.0 * 10^-2	0.010	0.010	0.010
1.25*10^-3	0.005	0.005	0.010

The order with respect to the reactants, A, B and C are respectively

3,2,0

2,2,0

2,2,1

2,1,0

16 / 20

What is the order of a reaction whose rate law expression is: rate = k[A]^3/2 [B]^-1/2

1/2

3/2

17 / 20

Activation energy of a chemical reaction can be determined by

changing concentration of reactants

evaluating rate constant at 0 K

evaluating rate constants at two different temperatures

evaluating concentration of reactants at two different time intervals

18 / 20

The half life period of a first order chemical reaction is 6.93 minutes. The time required for the completion of 99% of the chemical reaction will be (log10 2 = 0.301)

230.3 minutes

23.03 minutes

46.06 minutes

460.6 minutes

19 / 20

The unit of rate constant for certain reaction is time^-1The order of the reaction is____.

20 / 20

The sum of the power to which the concentration of substance appears in the rate expression is known as____.

rate of reaction

molecularity of reaction

order of reaction

rate constant

Your score is

The average score is 49%

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Mock Test on Chemical Kinetics Mhtcet Chemistry 2023.

The Focused topic of Chemical Kinetics Chemistry Mhtcet 2023.

Let’s Start the Online Test Series!!!

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