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At a given temperature the equilibrium c...

At a given temperature the equilibrium constant for the reaction of
`PCl_(5)hArrPCl_(3)+Cl_(2)` is `2.4xx10^(-3)`. At the same temperature, the equilibrium constant for the reaction
`PCl_(3)(g)+Cl_(2)(g)hArrPCl_(5)(g)` is :

A

`2.4xx10^(-3)`

B

`-2.4xx10^(-3)`

C

`-4.2xx10^(2)`

D

`4.8xx10^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Reaction is reversed. Hence
`K=(1)/((2.4xx10^(3)))=4.2xx10^(2)`
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