Volume of the flask in which species are transferred is double of the earlier flask. In which of the following reversible reactions, equilibrium will be shifted in the forward direction?

Question

(a) $ N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(g) $

(b) $ PCl_5(g) \rightleftharpoons PCl_3(g) + Cl_2(g) $

(c) $ N_2(g) + O_2(g) \rightleftharpoons 2NO(g) $

(d) $ 2NO(g) \rightleftharpoons N_2(g) + O_2(g) $