CH1 CH2CHCH(CH3=△ 答:C6HCH=CHCH(CH 3)2 CH3CH—CH—C(CH3)2 HIOA OH OHOH E: CH3 CHO+HCOOH +CH3 COCH3 17. CH3 CH2 CH2CHOHCH3 SOCI 答:CH3CH2CH2 CHCICH3 CH CH ○ CCH2CH3+HBr CCHoCH OH Br 19 CHOH CHoCI CH 浓H2S OH CH( CH3h 答:CH(CH32 1.O OH 21. 2. Zn/H2O CHO 答: CHO OH CHCH=CH OCHCH= CHCH3 CH oh + HB 答 Cro CH,=CHCH,OH 24. CH3 COOH 答:CH2= CHCHO CH,ONa CH-_CH2 CH3OH CHCHOH 答 CH3 CH=CHCH,CI OH Naoh37 15． H + C6H5CH2CHCH(CH3 )2 OH 答： CHCH(CH3 ) C6H5CH 2 16． OH CH3CH C(CH3 ) CH 2 OH OH HIO4 答：CH3CHO + HCOOH + CH3COCH3 17．CH3CH2CH2CHOHCH3 + SOCl2 答：CH3CH2CH2CHClCH3 18． CH3 CCH2CH3 + OH HBr 答： CH3 CCH2CH3 Br 19． CH2OH + PCl3 答： CH2Cl 20． 浓 H2SO4 CH3 OH CH(CH3 )2 答： CH3 CH(CH3 )2 21． H + OH 1. O3 2. Zn/H2O 答： CHO CHO 22． OCH2CH CHCH3 答： CH3 CHCH CH2 OH 23． OH + HBr 答： Br 24． CH2 CHCH2OH CrO3 CH3COOH 答： CH2 CHCHO 25． CH3ONa CH3OH CH CH2 O 答： CHCH2OH OCH3 26． OH N CHCH2Cl aOH CH3CH