The molecular mass of a compound having empirical formula `C_2H_5O` is 90. The molecualr formula of the compound is:

A compound having empirical formula (C_3H_4O)n has vapour density 84. The molecular formula of this compound is

A compound with empirical formula C_2H_5O has a vapour density of 45. The molecular formula of the compound will be

The molecular mass of a compound is 88 amu having empirical formula of C_(2)H_(4)O . Its molecular formula will be

An organic compound has an empirical formula CH_2 O . Its vapour density is 45. The molecular formula of the compound is

An organic compound has an empirical formula CH_(2) O. Its vapour density is 45. The molecular formula of compound is