The number of structural isomers possible from the molecular formula C 3 H 9 N is:

Step-by-step solution

The given formula is C 3 H 9 N which have degree of usaturation is zero i.e. compounds will be saturated. Total possible primary amine is 2 , secondary amine 1 ans tertiary amine also 1. CH 3 - CH 2 - CH 2 - NH 2 ; CH 3 - NH - CH 2 - CH 3