SEARCH Articles Figures Tables Chlorination s. Halogenation Replacement of hydrogen Replacement of aromatic chlorine Replacement of aromatic chlorine atoms, by amino groups using Replacement of halogen by iodine, bromine, or chlorine Replacement of the Diazo Group by Chlorine Replacement of the diazonium group by chlorine Replacement, benzenesulfonate groups hydrogen of hydroxyl by chlorine Replacement, of acetylenic hydrogen chlorine using phosphorus pentachloride