Equilibrium Question 655

Question: Calculate the partial pressure of carbon monoxide from the following CaCO3(s)ΔCaO(s)+CO2 ; Kp=8×102

CO2(g)+C(s)2CO(g) ; Kp=2

[Orissa JEE 2004]

Options:

A) 0.2

B) 0.4

C) 1.6

D) 4

Show Answer

Answer:

Correct Answer: B

Solution:

Given, CaCO3(s)Δ,CaO(s)+CO2(g)

C(s)+CO2(g)2CO(g)

Kp2=[pCO]2[pCO2] ; pCO=[Kp1×Kp2]

pCO=[8×102×2]=16×102

=4×101=0.4



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