The Concept of Dynamic Equilibrium NEET Questions

Physical Chemistry - Equilibrium

The Concept of Dynamic Equilibrium MCQ Questions


1.
Which of the following statements is correct for a system in dynamic equilibrium?

NEET - 2022

A.
Forward and backward reactions stop completely
B.
Concentrations of reactants and products remain constant
C.
Rate of forward reaction is zero
D.
Rate of backward reaction is zero
😑 View Answer Rough Work Error
ANSWER :
B. Concentrations of reactants and products remain constant
2.
The equilibrium constant for a reaction is 10. What does this indicate about the equilibrium state?
A.
Reactants are favored
B.
Products are favored
C.
Both reactants and products are in equal amounts
D.
The reaction does not reach equilibrium
😑 View Answer Rough Work Error
ANSWER :
B. Products are favored
3.
In a chemical reaction at equilibrium, the addition of a catalyst will
A.
Increase the rate of forward reaction only
B.
Increase the rate of backward reaction only
C.
Increase the rate of both forward and backward reactions equally
D.
Change the equilibrium constant
😑 View Answer Rough Work Error
ANSWER :
C. Increase the rate of both forward and backward reactions equally
4.
Which condition is essential for a reaction to attain dynamic equilibrium?

NEET - 2021

A.
Closed system
B.
Open system
C.
Continuous removal of products
D.
Increasing concentration of reactants
😑 View Answer Rough Work Error
ANSWER :
A. Closed system
5.
A reaction is at equilibrium when
A.
The reactants stop converting into products
B.
The concentration of reactants becomes zero
C.
The rate of forward and backward reactions are equal
D.
The activation energy of the forward reaction is zero
😑 View Answer Rough Work Error
ANSWER :
C. The rate of forward and backward reactions are equal
6.
What happens if a product is removed from a system at equilibrium?
A.
The equilibrium shifts toward reactants
B.
The equilibrium shifts toward products
C.
The reaction rate decreases
D.
The equilibrium constant changes
😑 View Answer Rough Work Error
ANSWER :
B. The equilibrium shifts toward products