The brown coloured gas is prepared by the action of concentrated nitric acid on copper is an equilibrium mixture of dinitrogen tetraoxide and nitrogen dioxide. N 2 O 4 g ⇌ 2 NO 2 g Which one of the following changes would result in a darken

Question

The brown coloured gas is prepared by the action of concentrated nitric acid on copper is an equilibrium mixture of dinitrogen tetraoxide and nitrogen dioxide. N 2 O 4 g ⇌ 2 NO 2 g Which one of the following changes would result in a darkening of the colour?

Quantrex Academy · Accepted Answer

Correct answer: A. Increase in temperature

N 2 O 4 ( g ) ⇌ 2 N O 2 ( g ) Here brown colour is formed due to N O 2 gas. Darkening of colour is possible when more N O 2 is formed when temperature is increased the equilibrium shifted to the right side as it is an endothermic process.

The brown coloured gas is prepared by the action of concentrated nitric acid on copper is an equilibrium mixture of dinitrogen tetraoxide and nitrogen dioxide. N 2 O 4 g ⇌ 2 NO 2 g Which one of the following changes would result in a darkening of the colour?

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