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At 540 K, 0.10 moles of PCl5 are heated ...

At 540 K, 0.10 moles of `PCl_5` are heated in a 8 litre flask. The pressure of the equilibrium mixture is found to be 1.0 atm. `K_c` for the reaction is

A

`4 xx 10^(-2)" mol L"^(-1)`

B

`8 xx 10^(-2)" mol L"^(-1)`

C

`3 xx 10^(-4)" mol L"^(-1)`

D

`2 xx 10^(-2)" mol L"^(-1)`

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The correct Answer is:
A
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