Types of Alkyl groups ■ a carbon at the end of a chain(primary alkyl group) ■ a carbon with two carbons attached to it(secondary alkyl group) a carbon with three carbons attached to it(tertiary alkyl group) H H R R R一C一H R一C-H R一C一H R-C-R H R Primary carbon(1)) Secondary carbon(21) Tertiary carbon(3V) Quaternary carbon (4)) is bonded to one is bonded to two is bonded to three is bonded to four other carbon other carbons other carbons other carbonsTypes of Alkyl groups „ a carbon at the end of a chain (primary alkyl group ) „ a carbon with two carbons attached to it (secondary alkyl group ) „ a carbon with three carbons attached to it (tertiary alkyl group )