e Oxidation -reduction reactions or redox reactions(氧化还原反应) are an important group of organic reactions those involve the tranfer of electrons from one molecular to another ●LEo Loss of electrons is Oxidation 失电子氧化 e GER Gain of electrons is Reductions 得电子还原 they are often used to synthesize a large variety of compoundsOxidation-reduction reactions or redox reactions （氧化还原反应） are an important group of organic reactions those involve the tranfer of electrons from one molecular to another LEO —— Loss of Electrons is Oxidation 失电子氧化 GER —— Gain of Electrons is Reductions 得电子还原 —— they are often used to synthesize a large variety of compounds