Types of Additions 111 Type of Addition [Elements Added Product H OH hydration halogenation [H2O] [X2l.an oxidation OH hydrogenation halohydrin formtion [H],a reduction [HOX],an oxidation OH OH hydroxylation HX addition [HOOH],an oxidation HX灯 oxidative cavage C=0 [O2l.an oxidation cyclopropanation epoxidation [CH] [O],an oxidation "These are not the reagents used but simply the groups that appear in the product. Chapter 8 4 Types of Additions =>