Q.

For the reversible reaction N2(g)+3H2(g)⇌2NH3(g) at 5000C. The value of Kp is 1.44×10−5, When partial pressure is measured in atmospheres. The corresponding value of Kc with concentration in mol L−1 is

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a

1.44×10−5(0.082×500)−2

b

1.44×10−5(8.314×773)−2

c

1.44×10−5(0.082×500)2

d

1.44×10−5(0.082×773)−2

answer is D.

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Detailed Solution

Kp=Kc(RT)Δn                  Δn=2−4=−2   ⇒Kc=Kp(RT)−Δn               = 1.44×10−5(0.082×773)−2
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For the reversible reaction N2(g)+3H2(g)⇌2NH3(g) at 5000C. The value of Kp is 1.44×10−5, When partial pressure is measured in atmospheres. The corresponding value of Kc with concentration in mol L−1 is