Consider the following equilibrium system; 2SO2(g)+O2(g)⇌2SO3(g); some inert gas is added to the system at constant volume. Predict which of the following is true?
A
More of SO3 is produced
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B
Less SO2 is produced
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C
Addition of inert gas does not affect equilibrium
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D
System moves to new equilibrium position which cannot be predicted theoretically
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Solution
The correct option is C Addition of inert gas does not affect equilibrium
When an inert gas is added to an equilibrium system at constant volume, there will be an increase in the total pressure of the system. However, the concentrations of the products and reactants will not change. Therefore, there will be no effect on the equilibrium.