Equilibrium constant K_p for following reaction : MgCO _3(s) MgO (s) + CO _2(g)

NEET 2000 Chemistry question

Equilibrium constant for following reaction :

(1)Correct
(2)
(3)
(4)

Answer: (1)

Solution

For a heterogeneous equilibrium, pure solids (and pure liquids) have constant activity (unity) and do not appear in the equilibrium expression. Only the gas appears: $ =

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Question ID VK-088601