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Chemical Equilibrium MCQ Questions And Answers - Chemistry Class 11

Chemical Equilibrium MCQs : This section focuses on the "Chemical Equilibrium" in Chemistry Class 11. These Multiple Choice Questions (MCQs) should be practiced to improve the Chemistry Class 11 skills required for various exams, interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

____________ refers to the state of a system in which the concentration of the reactant and the concentration of the products do not change with time.

A. Physical equilibrium
B. Non equilibrium
C. Chemical equilibrium
D. None of the above

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Question 2

When the rate of the forward reaction is _________ to the rate of the reverse reaction, the state of chemical equilibrium is achieved by the system.

A. not equal
B. less
C. greater
D. equal

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Question 3

How many types of chemical equilibrium?

A. 1
B. 2
C. 3
D. 4

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Question 4

In which type of chemical equilibrium the reactants and the products of chemical equilibrium are all in the same phase?

A. Homogeneous Equilibrium
B. Heterogeneous Equilibrium
C. Both A and B
D. None of the above

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Question 5

Heterogeneous Chemical Equilibrium is the reactants and the products of chemical equilibrium are present in different phases.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 6

What are all Importance of Chemical Equilibrium?

A. Preparation of ammonia by Haber’s process
B. Preparation of sulphuric acid by contacts process
C. Both A and B
D. None of the above

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Question 7

On increasing the concentration of reactants in a reversible reaction, then equilibrium constant will

A. depend on the concentration
B. decrease
C. increase
D. unchanged

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Question 8

For a specific reaction, which of the following statements can be made about K, the equilibrium constant?

A. It always remains the same at different reaction conditions
B. It increases if the concentration of one of the products is increased
C. It increases if the concentration of one of the reactants is increased
D. It changes with changes in the temperature

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Question 9

In a reversible chemical reaction at equilibrium, if the concentration of any one of the reactants is doubled, then the equilibrium constant will

A. Also be Doubled
B. Be Halved
C. Remain the Same
D. Become One-Fourth

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Question 10

A catalyst does not affect the chemical equilibrium.

A. Yes
B. No
C. Can be yes or no
D. Can not say

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