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At temperature T, a compound AB(2)(g) di...

At temperature T, a compound `AB_(2)(g)` dissociates according to the reaction
`2AB_(2)(g)hArr2AB(g)+B_(2)(g)`
with degree of dissociation `alpha`, which is small compared with unity. The expression for `K_(p)` in terms of `alpha` and the total pressure `P_(T)` is

A

`(Px^3)/2`

B

`(Px^2)/3`

C

`(Px^3)/3`

D

`(Px^2)/2`

Text Solution

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The correct Answer is:
A
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