Published by:
CGP EDU Academic Team
Published on: August 14, 2026
(brown colour gas) exists in equilibrium with 
(colourless gas) as given by chemical Equation 
Mixture is slightly brown due to existence of 
. If pressure is increased
Text Solution
Verified by ExpertsThe correct answer is:
B
By Le-Chatelier's principle, due to increase in pressure equilibrium shifts in the direction of low pressure (in which number of moles decreases), i.e. forward direction. Hence, the colour intensity is decreased.
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