Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Consider the equilibrium:
,
If the volume of the container is doubled at equilibrium then:
A
The reaction shifts forward to form more 
.
. B
The reaction shifts backward to form more 
and 
.
and . C
The equilibrium constant increases.
D
No change occurs in equilibrium position.
Text Solution
Verified by ExpertsThe correct answer is:
B
Doubling volume ↓ total pressure → equilibrium shifts to the side with more gas moles to oppose the change (Le Chatelier). Left side has 3 mol (2 
) vs right 
; hence it shifts backward. 
is unchanged at constant T.
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