Equilibrium Question 597

Question: For the following reaction in gaseous phase $ CO+\frac{1}{2}O_2\to CO_2 $ ; $ K_{p}/K_{c} $ is [DCE 2002]

Options:

A) $ {{(RT)}^{1/2}} $

B) $ {{(RT)}^{-1/2}} $

C) $ (RT) $

D) $ {{(RT)}^{-1}} $

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Answer:

Correct Answer: B

Solution:

$ K_{p}=K_{c}{{[RT]}^{\Delta n_{g}}} $

$ \Delta n_{g}=1-1.5=-0.5 $

$ K_{p}=K_{c}{{[RT]}^{-1/2}} $

$ \therefore \frac{K_{p}}{K_{c}}={{[RT]}^{-1/2}} $



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