Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Consider the following equilibrium in a closed container
N 2 O 4 (g) 
2NO 2 (g) At a fixed temperature, the volume of the reaction container is halved. For this change, which of the following statements holds true regarding the equilibrium constant (K P ) and degree of dissociation ( α )?
Text Solution
Verified by ExpertsThe correct answer is:
D
N 2 O 4 (g) 
2NO 2 .
moles t=0, 1 0
moles at eq. 1– α 2 α
K P = 
= 
× P.
Let total pressure at eq. = P.
or K P = 
× P.
When volume is halved, P is double.
∴ α will change as K P is independent of pressure change.
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