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Phosphorous pentachloride when heated in...

Phosphorous pentachloride when heated in a sealed tube at `700 K` it undergoes decomposition as
`PCl_(5)(g) hArr PCl_(3)(g)+Cl_(2)(g), K_(p)=38` atm
Vapour density of the mixture is `74.25`.
If pressure is increased then the equilibrium will

A

Be unaffected

B

Shift in backward direction

C

Shift in forward direction

D

Cannot be predicted

Text Solution

Verified by Experts

The correct Answer is:
B
On increasing pressure, the equilibrium shift in such side which have lesser number of molecules i.e., backward direction.
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