Question

emperical formula of a compoundX(molar mass =78mol-1) is CH. Write its molecular formula..

Answer 1

Factor n= (Mol. Mass)/Emp.For.Mass

=78/13=6.

Since EMPIRICAL FORMULA=CH, THEN MOLECULAR FORMULA

=(CH)n

=(CH)6

=C6H6.

So the Compound with Molecular Formula with C6H6 is Benzene