On increasing the pressure,


On increasing the pressure, in which direction will the gas-phase reaction

proceed to re-establish equilibrium, is predicted by applying Le Chatelier’s

principle. Consider the reaction.

N2 (g) + 3H2 (g) ⇌ 2NH3 (g)

Which of the following is correct, if the total pressure at which the equilibrium

is established, is increased without changing the temperature?

(i) K will remain the same

(ii) K will decrease

(iii) K will increase

(iv) K will increase initially and decrease when pressure is very high


Option (i) K will remain the same is the answer.

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