Equilibrium Question 562

Question: For the reaction 2NO2(g)2NO(g)+O2(g) (Kc=1.8×106,at184C) (R=0.0831,kJ/,(mol.,K)) When Kp and Kc are compared at 184°C it is found that [AIEEE 2005]

Options:

A) Kp is greater than Kc

B) Kp is less than Kc

C) Kp=Ke

D) Whether Kp is greater than, less than or equal to Kc depends upon the total gas pressure

Show Answer

Answer:

Correct Answer: A

Solution:

kp=kc(RT)Δn

Δn=32=1 ; kp>kc .



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