CBSE Class 11 Chemistry Chapter 7 Equilibrium Multiple Choice Questions with Answers. MCQ Questions Class 11 Chemistry Equilibrium with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 11 Chemistry Equilibrium MCQs with Answers to know their preparation level.
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MCQ Questions Class 11 Chemistry Equilibrium with Answers - Set - 5
Question 1:
Reaction BaO2(s) ⇌ BaO(s) + O2(g); ΔH = +ve. In equilibrium condition, pressure of O2 depends on
(a) increase mass of BaO2
(b) increase mass of BaO
(c) increase temperature on equilibrium
(d) increase mass of BaO2 and BaO both.
Correct Answer – (C)
Question 2 :
Conjugate base for Bronsted acids H2O and HF are
(a) H3O+ and H2F+, respectively
(b) OH– and H2F+, respectively
(c) H3O+ and F–, respectively
(d) OH– and F–, respectively.
Correct Answer – (D)
Question 3 :
Aqueous solution of which of the following compounds is the best conductor of electric current?
(a) Hydrochloric acid, HCl
(b) Ammonia, NH3
(c) Fructose, C6H12O6
(d) Acetic acid, C2H4O2
Correct Answer – (A)
Question 4 :
According to Le Chatelier’s principle, adding heat toa solid and liquid in equilibrium will cause the
(a) temperature to increase
(b) temperature to decrease
(c) amount of liquid to decrease
(d) amount of solid to decrease.
Correct Answer – (D)
Question 5 :
KMnO4 can be prepared from K2MnO4 as per the reaction,3MnO4 2– + 2H2O ⇌ 2MnO4 – + MnO2 + 4OH– The reaction can go to completion by removing OH– ions by dding
(a) CO2
(b) SO2
(c) HCl
(d) KOH
Correct Answer – (A)
MCQ Questions Class 11 Chemistry Equilibrium with Answers
Question 6 :
The value of DH for the reaction X2(g) + 4Y2(g) ⇌ 2XY4(g) is less than zero.Formation of XY4(g) will be favoured at
(a) high temperature and high pressure
(b) low pressure and low temperature
(c) high temperature and low pressure
(d) high pressure and low temperature.
Correct Answer – (D)
Question 7 :
Aqueous solution of acetic acid contains
(a) CH3COO– and H+
(b) CH3COO–, H3O+ and CH3COOH
(c) CH3COO–, H3O+ and H+
(d) CH3COOH, CH3COO– and H+
Correct Answer – (B)
Question 8 :
Which one of the following information can be obtained on the basis of Le Chatelier principle?
(a) Dissociation constant of a weak acid
(b) Entropy change in a reaction
(c) Equilibrium constant of a chemical reaction
(d) Shift in equilibrium position on changing value of a constraint
Correct Answer – (D)
Question 9 :
For any reversible reaction, if we increase concentration of the reactants, then effect onequilibrium constant
(a) depends on amount of concentration
(b) unchange
(c) decrease
(d) increase.
Correct Answer – (B)
Question 10 :
For the reversible reaction, N2(g) + 3H2(g) ⇌ 2NH3(g) + heat The equilibrium shifts in forward direction
(a) by increasing the concentration of NH3(g)
(b) by decreasing the pressure
(c) by decreasing the concentrations of N2(g) and H2(g)
(d) by increasing pressure and decreasing emperature.
Correct Answer – (D)
- NCERT Solutions Class 11 Chemistry Chapter 1 : Some Basic Concepts of Chemistry
- NCERT Solutions Class 11 Chemistry Chapter 2 : Structure Of The Atom
- NCERT Solutions Class 11 Chemistry Chapter 3 : Classification of Elements and Periodicity in Properties
- NCERT Solutions Class 11 Chemistry Chapter 4 : Chemical Bonding and Molecular Structure
- NCERT Solutions Class 11 Chemistry Chapter 5 : States of Matter
- NCERT Solutions Class 11 Chemistry Chapter 6 : Thermodynamics
- NCERT Solutions Class 11 Chemistry Chapter 7 : Equilibrium
- NCERT Solutions Class 11 Chemistry Chapter 8 : Redox Reactions
- NCERT Solutions Class 11 Chemistry Chapter 9 : Hydrogen
- NCERT Solutions Class 11 Chemistry Chapter 10 : The s-Block Elements
- NCERT Solutions Class 11 Chemistry Chapter 11 : The p-Block Elements
- NCERT Solutions Class 11 Chemistry Chapter 12 : Organic Chemistry: Some Basic Principles and Techniques
- NCERT Solutions Class 11 Chemistry Chapter 13 : Hydrocarbons
- NCERT Solutions Class 11 Chemistry Chapter 14 : Environmental Chemistry
