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Vant Hoff's Equation and Effect of Temperature on Equilibrium Constant

The equilibri...

Question

The equilibrium $2 S O_{2} (g) + O_{2} (g) ⇌ 2 S O_{3} (g)$ shifts forward if:-

A catalyst is used

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An adsorbent is used to remove

S O_{3}

as soon as it is formed.

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Small amounts of reactants are removed.

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None of these

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Solution

The correct option is B An adsorbent is used to remove $S O_{3}$ as soon as it is formed.
When a catalyst is used, the equilibrium will be achieved quickly but there will be no effect on the equilibrium concentrations. Hence, there will be no shift in the equilibrium.

When an adsorbent removes $S O_{3}$ as soon as it is formed, the equilibrium will shift in the forward direction so that more and more $S O_{3}$ is formed which will nullify the effect of decrease in the concentration of product.

When small amounts of reactants are removed, the equilibrium will shift in the backward direction so as to nullify the effect of decrease in the reactant concentration.

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