Chemical and Ionic Equilibrium - Result Question 33

33. The equilibrium $SO _2 Cl _2(g) \rightleftharpoons SO _2(g)+Cl _2(g)$ is attained at $25^{\circ} C$ in a closed container and an inert gas, helium is introduced. Which of the following statements are correct?

(1989,1 M)

(a) Concentration of $SO _2, Cl _2$ and $SO _2 Cl _2$ change

(b) More chlorine is formed

(c) Concentration of $SO _2$ is reduced

(d) None of the above

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Answer:

Correct Answer: 33. (d)

Solution:

  1. $SO _2 Cl _2(g) \rightleftharpoons SO _2(g)+Cl _2(g)$,

Adding inert gas at constant volume will not affect partial pressure of reactant or products, hence will not affect equilibrium amount of either reactant or products.