Consider the following reaction : N2O4 ⇌ 2NO2 (g) ; ΔHº = +58 kJ For each of the following cases (a,b), the direction in which the equilibrium shifts is : (a) Temperature is decreased. (b) Pressure is increased by adding N2 at constant T.

Engineering

Chemistry

Le Chateliers Principle

Question

Consider the following reaction :

N₂O₄ ⇌ 2NO₂ (g) ; ΔHº = +58 kJ

For each of the following cases (a,b), the direction in which the equilibrium shifts is :

(a) Temperature is decreased.

(b) Pressure is increased by adding N₂ at constant T.

(a) towards product, (b) towards reactant

(a) towards reactant, (b) no change

(a) towards product, (b) no change

(a) towards reactant (b) towards product

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(i) As reaction is endothermic so on decrease in temperature equilibrium shift in reactant side.

(ii) On increase in pressure by adding inert gas at same temperature, no shifting will take place