Question

Assertion :Addition of inert gases at equilibrium at constant pressure will support the dissociation of PCl5 at a constant temperature. Reason: The addition of inert gas at constant volume will not affect the equilibrium.

A. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B. Both Assertion and Reason are correct, but Reason is not the correct explanation for Assertion
C. Assertion is correct, but Reason is incorrect
D. Assertion is incorrect, but Reason is correct

Answer 1

The correct answer is C. Assertion is correct, but Reason is incorrect.

Step-by-step explanation:

This is because adding inert gases at equilibrium at constant pressure will not support the dissociation of PCl5 at a constant temperature. The reason for this is that adding inert gas at constant volume does not affect the equilibrium.

According to Le Chatelier's principle, adding inert gas at constant pressure will only cause an increase in the total pressure of the system without changing the partial pressures of the reactants and products in the equilibrium constant expression.