2NO2(g)→N2O4(g)ΔH=(−)ve
By addition of inert gas at constant pressure, volume increases and thus, the pressure decreases. The reaction now moves in backward direction as this would increase pressure and hence, decomposition of N2O4 increases.
JEE Main 2018 — Chemistry Physical Chemistry
The gas phase reaction 2NO2(g)→N2O4(g) is an exothermic reaction. The decomposition of N2O4 , in equilibrium mixture of NO2(g)andN2O4(g) can be increased by:
Held on 16 Apr 2018 · Verified 6 Jul 2026.
Addition of an inert gas at constant pressure
Lowering the temperature
Increasing the pressure
Addition of an inert gas at constant volume
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