In which of the following reactions will the | vedclass

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(D) According to Le Chatelier's principle,if the volume of the container is increased (doubled),the pressure decreases. The system will shift in the d

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$PCl_{5(g)} \rightleftharpoons PCl_{3(g)} + Cl_{2(g)}$

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(D) According to Le Chatelier's principle,if the volume of the container is increased (doubled),the pressure decreases. The system will shift in the direction that increases the number of moles of gas to counteract this change.For a reaction to shift to the right (forward direction) upon increasing the volume,the number of moles of gaseous products must be greater than the number of moles of gaseous reactants $(\Delta n_g > 0)$.Checking the options:$A$: $\Delta n_g = 2 - (2 + 1) = -1$$B$: $\Delta n_g = 2 - (1 + 1) = 0$$C$: $\Delta n_g = 2 - (1 + 3) = -2$$D$: $\Delta n_g = (1 + 1) - 1 = +1$Since $\Delta n_g > 0$ only for option $D$,the equilibrium will shift to the right.

In which of the following reactions will the equilibrium shift to the right if the volume of the container is doubled?

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