In a vessel containing SO_3,SO_2,and O_2 at e | vedclass

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(C) The equilibrium reaction is $2SO_3(g) \rightleftharpoons 2SO_2(g) + O_2(g)$.When an inert gas like helium is added to a system at equilibrium at c

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Remains unaltered

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(C) The equilibrium reaction is $2SO_3(g) \rightleftharpoons 2SO_2(g) + O_2(g)$.When an inert gas like helium is added to a system at equilibrium at constant volume,the total pressure of the system increases,but the partial pressures of the reacting species remain unchanged.Since the partial pressures of the reactants and products do not change,the reaction quotient $Q_c$ remains equal to the equilibrium constant $K_c$.Therefore,the addition of an inert gas at constant volume has no effect on the position of the equilibrium.Thus,the dissociation of $SO_3$ remains unaltered.

In a vessel containing $SO_3$,$SO_2$,and $O_2$ at equilibrium,some helium gas is introduced so that the total pressure increases while temperature and volume remain constant. According to Le Chatelier's principle,the dissociation of $SO_3$:

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