Published by:
CGP EDU Academic Team
Published on: August 22, 2026
The effect of addition of helium gas to the following reaction in equilibrium state, is :
A
helium will deactivate 
and reaction will stop.
and reaction will stop.
B
the equilibrium will shift in the forward direction and more of 
and 
gases will be produced.
and gases will be produced.
C
the equilibrium will go backward due to suppression of dissociation of 
.
.
D
addition of helium will not affect the equilibrium.
Text Solution
Verified by ExpertsThe correct answer is:
B
(Case 1 : At constant 
- volume will increase so reaction will shift in forward direction then answer will be 
Case 2 : At constant volume no change in active mass so reaction will not shift in any direction then answer will be 
.
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