2. The stabilities of carbocation (碳阳离子的稳定性解释马氏规则) a CI b CH3CHCH2H- CH3 CHCICH 2C Markovnikov addition product Stable H3C—c=cH2+ H b Cl Ch2cHCH CHCH, CH,C Anti-Mar's rule Unstable2. The Stabilities of carbocation （碳阳离子的稳定性解释马氏规则） C H CH2 + H-Cl CH3CHCH2H Markovnikov addition product H3C + b a CH3CHCH2 + Cl - CH3CHClCH3 2 o C + Cl - CH3CH2CH2Cl 1 Anti-Mar's Rule o C + Stable Unstable 2 o C + 1 o C + a b H