Class 11 MCQ Questions Chemistry Chapter 7 Equilibrium With Answer

Class 11 MCQ Questions Chemistry Chapter 7 : NCERT MCQ Questions for Class 11 Chemistry Chapter 7 Equilibrium with Answers Pdf free download. MCQ Questions for Class 11 Chemistry with Answers were prepared based on the latest exam pattern.

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Class 11 MCQ Questions Chemistry Chapter 7 Equilibrium with answer | NEET MCQ Chemistry

Q.1 Aluminium chloride is

(a) Bronsted Lowry acid
(b) Arrhenius acid
(c) Lewis acid
(d) Lewis base

Q.2 When two reactants A and B are mixed to give products C and D, the concentration quotient (Q) at initial stage of the reaction

(a) Is zero
(b) Decreases with time
(c) Is independent of time
(d) Increases with time

(d) Increases with time

Q.3 For a reversible reaction, if the concentrations of the reactants are doubled, the equilibrium constant will be

(a) halved
(b) doubled
(c) the same
(d) one fourth

Q.4 A base according to Bronsted concept is a substance which can

(a) lose a pair of electrons
(b) donate protons
(c) gain a pair of electrons
(d) accept protons

(d) accept protons

Q.5 When sodium carbonate solution is titrated against HCl solution, the indicator used is

(a) Phenolphthalein
(b) Methyl orange
(c) Methyl red
(d) Starch

(b) Methyl orange

Q.6 The pH of a solution of hydrochloric acid is 4. The molarity of the solution is

(a) 4.0
(b) 0.4
(c) 0.0001
(d) 0.04

Q.7 The pH of a 0.005 M aqueous solution of sulphuric acid is

(a) 0.005
(b) 2
(c) 1
(d) 0.01

(b) 2

Q.8 Water is a

(a) Protophobic solvent
(b) Protophilic solvent
(c) Amphiprotic solvent
(d) Aprotic solvent

Q.9 When equal volumes of 0.1 M NaOH and 0.01 M HCl are mixed, the hydroxide ion concentration is

(a) 7.0
(b) 1.04
(c) 12.65
(d) 2.0

Q.10 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

Q.11 When a neutral atom undergoes oxidation, the atoms oxidation state

(a) Decreases as it gains electrons
(b) Decreases as it loses electrons
(c) Increases as it gains electrons
(d) Increases as it loses electrons

(d) Increases as it loses electrons

Q.12 Amines behave as

(a) Lewis Acids
(b) Lewis Base
(c) Aprotic Acid
(d) Neutral Compound

(b) Lewis Base

Q.13 When two reactants, A and B are mixed to give products C and D, the reaction quotient, Q, at the initial stages of the reaction

(a) is zero
(b) Decreases With Time
(c) Is Independent Of Time
(d) Increases With Time

(d) Increases With Time

Q.14 Which of the following statements is correct about the equilibrium constant?

(a) Its value increases by increase in temperature
(b) Its value decreases by decrease in temperature
(c) Its value may increase or decrease with increase in temperature
(d) Its value is constant at all temperatures

Q.15 The position of some metals in the electrochemical series in decreasing electropositive character is Mg > Al > Zn > Cu > Ag. In a chemical factory, a worker by accident used a copper rod to stir a solution of aluminium nitrate; he was scared that now there would be some reaction in the solution, so he hurriedly removed the rod from the solution and observed that

(a) The rod was coated with Al
(b) An alloy of Cu and Al was being formed.
(c) The solution turned blue in colour
(d) There was no reaction

(d) There was no reaction

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