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Question: For the reaction, 2NO2 (g) \(\rightleftharpoons\) 2 NO(g) + O2 (g), (KC = 1.8 × 10–6 at 184<sup>0<...

For the reaction, 2NO2 (g) ⇌\rightleftharpoons 2 NO(g) + O2 (g),

(KC = 1.8 × 10–6 at 1840C)

(R = 0.0831 kJ/(mol.K))

When Kp and Kc are compared at 184°C it is found that

A

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

B

Kp = Kc

C

Kp is less than Kc

D

Kp is greater than Kc

Answer

Kp is greater than Kc

Explanation

Solution

Kp=Kc(RT)ΔnΔn=3−2=1.K_{p} = K_{c}(RT)^{\Delta n} \Delta n = 3 - 2 = 1.

Kp = Kc (0.0821 × 457)1 . Kp > Kc.