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 - 4
Question 1:
In which of the following equilibrium Kc and Kp are not equal?
(a) 2NO(g) ⇌ N2(g) + O2(g)
(b) SO2(g) + NO2(g) ⇌ SO3(g) + NO(g)
(c) H2(g) + I2(g) ⇌ 2HI(g)
(d) 2C(s) + O2(g) ⇌ 2CO2(g)
Correct Answer – (D)
Question 2 :
Which one of the following conditions will favour maximum formation of the product in the reaction A2(g) + B2(g) ⇌ X2(g), ΔrH = –X kJ ?
(a) Low temperature and high pressure
(b) Low temperature and low pressure
(c) High temperature and high pressure
(d) High temperature and low pressure
Correct Answer – (A)
Question 3 :
In Haber process, 30 litres of dihydrogen and 30 litres of dinitrogen were taken for reaction which yielded only 50% of the expected product. What will be the composition of aseous mixture under the aforesaid condition in the end?
(a) 20 litres ammonia, 20 litres nitrogen, 20 litres hydrogen
(b) 10 litres ammonia, 25 litres nitrogen, 15 litres hydrogen
(c) 20 litres ammonia, 10 litres nitrogen, 30 litres hydrogen
(d) 20 litres ammonia, 25 litres nitrogen, 15 litres hydrogen
Correct Answer – (B)
Question 4 :
If the concentration of OH– ions in the reaction Fe(OH)3(s) ⇌ Fe3+(aq) + 3OH– (aq) is decreased by 1/4 times, then equilibrium concentration of Fe3+ will increase by
(a) 64 times
(b) 4 times
(c) 8 times
(d) 16 times.
Correct Answer – (D)
Question 5 :
The reaction, 2A(g) + B(g) ⇌ 3C(g) + D(g) is begun with the concentrations of A and B both at an initial value of 1.00 M. When equilibrium is reached, the concentration of D is easured and found to be 0.25 M. The value for the equilibrium constant for this reaction is given by the expression
(a) [(0.75)3(0.25)] ÷ [(1.00)2(1.00)]
(b) [(0.75)3(0.25)] ÷ [(0.50)2(0.75)]
(c) [(0.75)3(0.25)] ÷ [(0.50)2(0.25)]
(d) [(0.75)3(0.25)] ÷ [(0.75)2(0.25)]
Correct Answer – (B)
MCQ Questions Class 11 Chemistry Equilibrium with Answers
Question 6 :
A 20 litre container at 400 K contains CO2(g) at pressure 0.4 atm and an excess of SrO (neglect the volume of solid SrO). The volume of the container is now decreased by moving he movable piston fitted in the container. The maximum volume of the container, when pressure of CO2 attains its maximum value, will be (Given that : SrCO3(s) ⇌ SrO(s) + O2(g), Kp = 1.6 atm)
(a) 10 litre
(b) 4 litre
(c) 2 litre
(d) 5 litre
Correct Answer – (D)
Question 7 :
Which of the following statements is correct for a reversible process in a state of equilibrium?
(a) ΔG° = –2.30 RT log K
(b) ΔG° = 2.30 RT log K
(c) ΔG = –2.30 RT log K
(d) ΔG = 2.30 RT log K
Correct Answer – (A)
Question 8 :
If the value of equilibrium constant for a particular reaction is 1.6 × 1012, then at equilibrium the system will contain
(a) mostly products
(b) similar amounts of reactants and products
(c) all reactants
(d) mostly reactants.
Correct Answer – (A)
Question 9 :
The values of Kp1 and Kp2 for the reactions, X ⇌ Y + Z …(i) A ⇌ 2B …(ii) are in the ratio 9 : 1. If degree of dissociation of X and A be equal, then total pressure at equilibrium (i) and ii) are in the ratio
(a) 36 : 1
(b) 1 : 1
(c) 3 : 1
(d) 1 : 9
Correct Answer – (A)
Question 10 :
In liquid-gas equilibrium, the pressure of vapours above the liquid is constant at
(a) constant temperature
(b) low temperature
(c) high temperature
(d) none of these.
Correct Answer – (A)
- 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
