For the dissociation reaction 2 H₂S(g) ⇌ 2 H₂(g) + S₂(g), K_p = 1.2 x 10^-2 at 1065 °C. For this same reaction at 1000 K, 

(a) K_c is less than K_p;

(b) K_c is greater than K_p;

(c) K_c = K_p;

(d) Whether K_c is less than, equal to, or greater than K_p depends on the total gas pressure.