alkanes. 1.Determinethelongestcontinuous(not necessarilystraight)chainofcarbonatoms. CH 3 CHCH 2 CH 2 CH 2 CH 3 CH 3 NamingHydrocarbons •ThefollowingfourIUPACrulesareapplied innamingthebranched-chainalkanes. 2.Anychainbranchingoffthelongestchainis namedasanalkylgroup. Table24.6listssomealkylgroups. ...