Published by:
CGP EDU Academic Team
Published on: August 13, 2026
At constant pressure, addition of helium to the reaction system: N 2 (g) + 3H 2 (g) 
2NH 3 (g)
Text Solution
Verified by ExpertsThe correct answer is:
B
K p = 
× 
At constant pressure, with the introduction inert gas Σ Σ n increases. Since 
n = –2, therefore on increasing Σ Σ n 
increases, but K p remain constant, hence no. of
moles of N 2 (g) & H 2 (g) are increased and backward reaction is favoured.
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