Which of the following equilibria is not affe | vedclass

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(C) According to Le Chatelier's principle,a change in the volume of the reaction vessel affects the equilibrium position only if there is a change in

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$N_{2(g)} + O_{2(g)} \rightleftharpoons 2NO_{(g)}$

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(C) According to Le Chatelier's principle,a change in the volume of the reaction vessel affects the equilibrium position only if there is a change in the number of moles of gaseous species between the reactants and products (i.e.,$\Delta n_g 
eq 0$).If $\Delta n_g = 0$,the equilibrium is not affected by a change in volume or pressure.For option $A$: $\Delta n_g = (1+1) - 1 = 1$.For option $B$: $\Delta n_g = 2 - (1+3) = -2$.For option $C$: $\Delta n_g = 2 - (1+1) = 0$.For option $D$: $\Delta n_g = (1+1) - 1 = 1$.Since $\Delta n_g = 0$ for option $C$,it is not affected by a change in volume.

Which of the following equilibria is not affected by a change in the volume of the flask?

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