KnowraSulfonic acidLinked fromLinked fromThe 6 pages that link to Sulfonic acid, each with the reason it gives.All 6Broader topic 2Related 1Narrower topic 1Compared with 2SulfonationBroader topic: This is the functional group introduced by sulfonation.Organosulfur chemistryBroader topic: Their highly oxidized sulfur center gives a functional group with properties unlike thiols and sulfides.