A gaseous compound X contains 44.4% Carbon, 51.9% Nitrogen and 3.7% Hydrogen. Under like conditions, same volume of X as that of Hydrogen took 50 seconds to diffuse whereas Hydrogen took 9.62 seconds. What is the molecular formula of X?

Question

(A) $C_2H_2N_4$ (B) $C_2H_4N$ (C) $C_2HN_2$ (D) $C_2H_2N_2$