Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A(g) 
2B(g) + C(g)
For the given reaction, if the initial pressure is 450 mmHg and the pressure at time t is720 mmHg at a constant temperature T and constant volume V. The fraction of A(g) decomposed under these conditions is x x 10 -1 . The value of x is (nearest integer)
Text Solution
Verified by ExpertsThe correct answer is:
3
(3)
A(g) 
2B(g)+C(g)
intial 450 0 0
at time = t 450-p 2p p
(450 - p) + (2p)+(p) = 720
450 + 2p = 720
2p= 270
p = 135
Fraction of A(g) decomposed= 
= 0.3
The fraction A(g) decomposed = 3 x 10 -1 
x = 3
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