Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Calculate 
for the equilibrium,
If the total pressure inside the reaction vessel is 
atm at 
.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Initial moles 1 0 0
At equilibrium (1 – x) x x
Total gaseous moles at equilibrium = x + x = 2x
We know 
But,
Partial pressure (P) = mole fraction × total pressure (P)
IInd method: Both 
and 
have same number of moles at equilibrium so have same mole fraction and thus equal partial pressures.
i.e., 
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