The number of structure isomers possible from the molecular formula `C_(3)H_(9)N` is:

Options

A. 2
B. 3
C. 4
D. 5

Answer

C

Explanation

Four isomers
`underset("Propan-1-amine")(CH_(3)CH_(2)CH_(2)NH_(2))`, `underset("Propan-2-amine")(CH_(3)-underset(CH_(3))underset(|)CH-NH_(2))`, `underset("N-Methylethanamine")(CH_(3)CH_(2)-NH-CH_(3))`, `underset("N,N-Dimethylmethanamine")(CH_(3)-underset(CH_(3))underset(|)(N)-CH_(3))`