2、H20加成 OH H CH3-C=CH2gCk CH3-C=CH2 CH3-C-CH3 H3o 烯瞎式与酮式的互变异构现象 CH3\ H+CH、H C-C-H→ CH3-C-CH3 H-0 H H-O H• 2、与H2O加成 CH3 - C = CH2 HgCl2 H3O+ CH3 - C = CH2 OH H CH3 - C - CH3 O 烯醇式与酮式的互变异构现象 C = C CH3 H - O H H H + C - C - H H H CH3 + H - O CH3 - C - CH3 O + H +