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The degree of dissociation of PCl(5) (al...

The degree of dissociation of `PCl_(5) (alpha)` obeying the equilibrium, `PCl_(5)hArrPCl_(3)+Cl_(2)` is related to the pressure at equilibrium by :

A

`a prop P`

B

`alpha prop (1)/(sqrtP)`

C

`alpha prop (1)/(p^(2))`

D

`alpha prop (1)/(p^(4))`

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The correct Answer is:
B
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