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For PCl(5 (g)) hArr PCl(3 (g)) + Cl(2 (g...

For `PCl_(5 (g)) hArr PCl_(3 (g)) + Cl_(2 (g))` at equilibrium , `K_(P) = P//3`. Then degree of dissociation of `PCl_(5)` at that temperature is

A

`0.75`

B

`0.25`

C

`0.9`

D

`0.5`

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The correct Answer is:
D
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