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The equilibrium constant K(p) for the th...

The equilibrium constant `K_(p)` for the thermal dissociation of `PCl_(5)` at `200^(@)C` is 1.6 atm. The pressure (in atm) at which it is `50%` dissociated at that temperature is

A

4.8

B

4.2

C

3.2

D

2.4

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The correct Answer is:
A
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