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The degree of dissociation of PC1(5) (al...

The degree of dissociation of `PC1_(5)` `(alpha)` obeying the equilibrium, `PC1_(5)hArrPC1_(3) + C1_(2)`, is approximately related to the pressure at equilibrium by (given `alpha ltlt 1`) :

A

`alpha prop P`

B

`alpha prop 1/sqrtP`

C

`a prop 1/P^2`

D

`alpha prop 1/P^4`

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The correct Answer is:
B
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