Equilibrium Question 731

Question: For the following three reactions, 1, 2 and 3, equilibrium constants are given

(1) CO(g)+H2O(g)CO2(g)+H2(g);K1

(2) CH4(g)

+H2O(g)

CO(g)

3H2(g);K2

(3) CH4(g)+2H2O(g)CO2(g)+4H2(g);K3

Which of the following relationship is correc'

Options:

A) K1K2=K3

B) K2K3=K1

C) K3=K1K2

D) K3.,K23=K12

Show Answer

Answer:

Correct Answer: C

Solution:

CO(g)+H2O(g)CO2(g)+H2(g);K1 (1) CH4(g)+H2O(g)CO(g)+3H2(g);K2 (2) CH4+2H2O(g)CO2(g)+4H2(g);K3 (3) Eq. (3) = eq. (1)+eq.(2) Thus, K3=K1.K2



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