Q.The reaction $PCl_5(g) \rightleftharpoons PCl_3(g) + Cl_2(g)$ is in equilibrium at $500 \text{ K}$ . If $Cl_2$ is added at constant volume, then:

Concentration of

PCl_3

decreases

Concentration of

PCl_5

decreases

Value of

K_c

increases

Equilibrium shifts to the right

The correct solution involves applying the fundamental concept to derive the final value step by step...

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Q.The reaction PCl5(g)⇌PCl3(g)+Cl2(g)PCl_5(g) \rightleftharpoons PCl_3(g) + Cl_2(g)PCl5​(g)⇌PCl3​(g)+Cl2​(g) is in equilibrium at 500 K500 \text{ K}500 K. If Cl2Cl_2Cl2​ is added at constant volume, then: