The brown gas prepared by the action of concentrated nitric acid on copper is an equilibrium mixture
Channel: Doubtnut
Date: 02/08/2020

The brown gas 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))overset(Endothermic)(hArr)2NO_(2(g))`  Which one of the following changes would result in a darkening of the colour?