In which of the following equilibrium reactio | vedclass

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(C) According to Le Chatelier's principle,when the total pressure of a system at equilibrium is decreased,the equilibrium shifts in the direction wher

Vedclass · Accepted Answer

$N_2O_4(g) \rightleftharpoons 2NO_2(g)$

Vedclass · Answer

(C) According to Le Chatelier's principle,when the total pressure of a system at equilibrium is decreased,the equilibrium shifts in the direction where the number of moles of gaseous species increases.For option $A$: $\Delta n_g = 2 - (1 + 3) = -2$ (Decreasing pressure shifts equilibrium to the left).For option $B$: $\Delta n_g = 2 - (1 + 1) = 0$ (Pressure change has no effect).For option $C$: $\Delta n_g = 2 - 1 = +1$ (Decreasing pressure shifts equilibrium to the right).For option $D$: $\Delta n_g = 2 - (1 + 1) = 0$ (Pressure change has no effect).Therefore,the correct option is $C$.

In which of the following equilibrium reactions does the equilibrium shift to the right when the total pressure is decreased?

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