1.加氢:CH2=CH2+H2 催化剂 CH3-CH3 2.加卤素: CH2=CH2 +Br2-Br-CH2-CH2-Br 3.加卤化氢: CH3-CH-CH3 CH3CH-CH2 HCI CI CH3CH2CH2Cl.··· CI CH3-C=CH2 HCI-CH3-C-CH3 CH3 CH3 (100%) 3. 加卤化氢: 1. 加 氢: 2. 加卤素: CH2 CH2 + Br2 B CH2 CH2 r Br CH3CH CH2 + HCl CH3 CH CH3 Cl CH3 CH2 CH2 Cl 主 要 产 物 次 要 产 物 CH3 C CH2 CH3 + HCl CH3 C CH3 CH3 Cl (100%) CH2 CH2 + H2 CH3 CH3 催化剂