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PCl(5)(g) hArr PCl(3)(g)+Cl(2)(g) 'alp...

`PCl_(5)(g) hArr PCl_(3)(g)+Cl_(2)(g)`
`'alpha'` is the degree of dissociation of `PCl_(5)` at equilibrium pressure 'P'. Which among the following is the correct expression for degree of dissociation of `'alpha'` ?

A

`alpha = sqrt((K_(p))/(P+K_(p)))`

B

`alpha = sqrt((P+K_(p))/(K_(p)))`

C

`alpha =sqrt(K_(p)P)`

D

`alpha = sqrt(P//K_(p))`

Text Solution

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The correct Answer is:
A
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