In compound $C,H,N$ atoms are present in 9 : 1 : 35 by weight .Molecular weight of compound is 108.It molecular formula is

Question

$\begin{array}{1 1}(a)\;C_2H_6N_2&(b)\;C_3H_4N\\(c)\;C_6H_8N_2&(d)\;C_9H_{12}N_3\end{array}$