Home Chemistry Chemical Equilibrium All Topic Question for Revision Test When hydrogen molecules decomposed into its …
Chemistry Chemical Equilibrium All Topic Question for Revision Test Single Correct MCQ
Published on: August 12, 2026

When hydrogen molecules decomposed into its atoms, which condition gives maximum yield of H -atom?

A
High temperature and low pressure.
B
Low temperature and high pressure.
C
High temperature and high pressure.
D
Low temperature and low pressure.

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Text Solution

Verified by Experts
The correct answer is:
A

The given reaction is endothermic, so increase in temperature shift the equilibrium in forward direction. To proceed the reactant in forward direction, the pressure must be low. So, for maximum yield, the conditions are high temperature and low pressure.

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