13-1 Naming Alcohols,Phenols,and Thiols Alcohol classifications Class depends on the number of organic groups,R,bonded to the hydroxyl-bearing carbon Primary(1)alcohol contains -OH group on carbon atom that is bonded to one R group Secondary (2)alcohol contains -OH group on carbon atom that is bonded to two R groups Tertiary(3)alcohol contains-OH group on carbon atom that is bonded to three R groups OH OH OH R -H R -R H R A primary(1)alcohol A secondary(2)alcohol A tertiary (3)alcoholAlcohol classifications ▪ Class depends on the number of organic groups, R, bonded to the hydroxyl-bearing carbon ▪ Primary (1º) alcohol contains –OH group on carbon atom that is bonded to one R group ▪ Secondary (2º) alcohol contains –OH group on carbon atom that is bonded to two R groups ▪ Tertiary (3º) alcohol contains –OH group on carbon atom that is bonded to three R groups 13-1Naming Alcohols, Phenols, and Thiols