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Question

Chemistry Question on Equilibrium

The relation between KpK_p and KcK_c for the following reaction is \hspace10mm N_2 (g)+3H_2(g) \longrightarrow 2NH_3(g)

A

Kp=Kc(RT)K_p = K_c (RT)

B

Kc=Kp(RT)−2K_c = K_p (RT)^{-2}

C

Kc=Kp(RT)K_c = K_p (RT)

D

Kp=Kc(RT)−2K_p = K_c (RT)^{-2}

Answer

Kp=Kc(RT)−2K_p = K_c (RT)^{-2}

Explanation

Solution

Δn=2−4=−2\Delta n = 2-4 = - 2
Kp=Kc(RT)Δn=Kc(RT)−2K_p = K_c (RT)^{\Delta n} = K_c (RT)^{-2}