# Chemical Equilibrium (Applications of Equilibrium Constants) MCQs with FREE PDF

We have the best collection of Applications of Equilibrium Constants MCQs and answer with FREE PDF. These Applications of Equilibrium Constants MCQs will help you to prepare for any competitive exams like: NEET, AIIMS, JEE Mains, JEE Advance, IIT JEE, JIPMER and other Exams at all levels – you just have to practice regularly.

## Applications of Equilibrium Constants MCQs

#### 1. For a reaction aA + bB → cC + dD, which is not in equilibrium the QC is given as __________

a) [A]a[B]b/[C]c[D]d

b) [C]c[D]d/[A]a[B]b

c) [A][B]/[C][D]

d) [C][D]/[A][B]

#### 2. What will happen If QC > KC?

a) QC decreases till equilibrium

b) QC increases till equilibrium

c) QC remains constant

d) cannot say

#### 3. At equilibrium, KC is _______________

a) greater than reaction quotient

b) equal to the reaction quotient

c) less than the reaction question

d) independent of reaction question

Answer: equal to the reaction quotient

#### 4. What do you think will happen if reaction quotient is smaller than the equilibrium constant?

a) equilibrium constant will change

b) reaction quotient remains constant

c) reaction quotient increases continuously

d) reaction quotient increases till KC

Answer: reaction quotient increases till KC

a) 8

b) 4

c) 2

d) 1

#### 6. What do you understand from the reaction if reaction quotient is 2 and the equilibrium constant is 3?

a) the equilibrium constant increases

b) the equilibrium constant decreases

c) the equilibrium constant remains the same

d) reaction quotient increases

a) true

b) false

a) 2

b) 3

c) 4

d) 1

#### 9. What will happen if KC > 10-3 in a chemical reaction?

a) products are predominant

b) reactants are predominant

c) equilibrium

d) dynamic equilibrium

a) K

b) QC

c) R

d) q