Equilibrium Question 569

Question: The reaction between N2 and H2 to form ammonia has Kc=6×10−2 at the temperature 500°C. The numerical value of Kp for this reaction is [UPSEAT 1999]

Options:

A) 1.5×10−5

B) 1.5×105

C) 1.5×10−6

D) 1.5×106

Show Answer

Answer:

Correct Answer: A

Solution:

Kp=Kc(RT)Δn ; Δn=2−4=−2

Kp=6×10−2×(0.0812×773)−2

Kp=6×10−2(0.0812×773)2=1.5×10−5 .

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