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The concentration of pure solid and liqu...

The concentration of pure solid and liquid phase is not inculded in the expression of equilibrium constant because:

A

solid and liquid conc. are independent of their quarries.

B

solid and liquid react slowly.

C

solid and liquid at equilibrium don't interact with gaseous phase

D

the molecules of solid and liquid cannot migrate to the gaseous phase.

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The correct Answer is:
A
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