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A sample of pure PCI5 was introduced int...

A sample of pure `PCI_5` was introduced into an evacuated vessel at 473 K.After equilibrium was attained,concentration of `PCI_5 ` was found to be `0.5 xx 10 ^(-1) mol L^(-1)`. If value of `K_c` is `8.0 xx 10^(-3) `,f what are the concentrations of `PCI_3` and `CI_2` at equilibrium?`PCI_5(g) hArr PCI _3(g) +CI_2(g)`.

A

`4.15 xx 10^(-5_`

B

`1.85 xx10^(-4)`

C

`2xx 10^(-4)`

D

`2xx 10 ^(-2)`

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