Equilibrium Question 576

Question: If Kc is the equilibrium constant for the formation of NH3 , the dissociation constant of ammonia under the same temperature will be [DPMT 2001]

Options:

A) Kc

B) Kc

C) Kc2

D) 1/Kc

Show Answer

Answer:

Correct Answer: D

Solution:

NH3 ⇌ 12N2+32H2

Kc=[N2]1/2;[H2]3/2;NH3 and 12N2+32H2 ⇌ NH3

Kc=[NH3][N2]1/2;[H2]3/2; So for dissociation =1Kc

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