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The following two reactions: i. PCl(5)...

The following two reactions:
i. `PCl_(5)(g) hArr PCl_(3)(g)+Cl_(2)(g)`
(ii) `COCl_(2)(g) hArr CO(g)+Cl_(2)(g)`
are simultaneously in equilibrium in a container at constant volume. A few moles of `CO(g)` are later introduced into the vessel. After some time, the new equilibrium concentration of

A

`PCl_(5)` increases

B

`PCl_(5)` remains unchanged

C

`PCl_(5)`decreases

D

`Cl_(2)` increase

Text Solution

Verified by Experts

The correct Answer is:
C
`Cl_(2)` is present simultaneously in two equilibria. Decrease in its concentration shift both equilibria forward.
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