In a compound `C, H, N` atoms are present in `9:1:3.5` by weight. Molecular weight of compound is `108`. Its molecular formula is:

In a compound C , H and N atoms are present in 9 : 1 : 3.5 by weight . Molecular weight of compound is 108. Molecular formula of compound is

Molecular weight of compound (A) is :

Molecular weight of compound (A) is :

In a compound C, H and N atoms are present in 9 : 1 : 3.5 by weight. Mol wt. of compound is 108, its mol. formula is