C (Carbon) have only 4 arms. H have one, O have two. So, C2H9 is impossible bonding. (C2H5 is the maximum) hehe. C3 at terminal bond are impossible neither. Atom must share its all arms to others.
C (Carbon) have only 4 arms. H have one, O have two. So, C2H9 is impossible bonding. (C2H5 is the ma