异亚丙基丙酮CH<sub>3</sub>COCH=C(CH<sub>3</sub>)<sub>2</sub>中n→π*跃迁谱带,在下述溶剂中测定时,()最大吸收波长最小。
A、A.正己烷
B、B.氯仿
C、C.甲醇
D、D.水
A、A.正己烷
B、B.氯仿
C、C.甲醇
D、D.水
A、CH<sub>2sub>=CH-乙烯基 B、CH<sub>3sub>CH=CH-丙烯基 C、CH<sub>2sub>=CHCH<sub>2sub>-烯丙基 D、CH<sub>2sub>=CHCH<sub>2sub>CH<sub>2sub>-丁烯基
A、CH<sub>3sub>CH<sub>2sub>COCH<sub>3sub> B、CH<sub>3sub>CH<sub>2sub>CHO C、CH<sub>3sub>C(CH<sub>3sub>)<sub>2sub>COCH<sub>3sub> D、CH<sub>3sub>CH(CH<sub>3sub>)CHO
A、CH<sub>2sub>=CHCH<sub>2sub>Br B、CH<sub>3sub>CH=CHBr C、BrCH<sub>2sub>CH=CHCH<sub>3sub> D、CH<sub>2sub>=CHBr
A、CH<sub>3sub>CH=CHCOOCH<sub>3sub>; B、CH<sub>2sub>=C(CH<sub>3sub>)COOCH<sub>3sub>; C、CH<sub>2sub>=C(Cl)<sub>2sub>; D、CH<sub>2sub>=CH-CH=CH<sub>2sub>
A、CH<sub>3sub>CH(CH<sub>3sub>)CH(Cl)CH<sub>3sub> B、(CH<sub>3sub>)<sub>3sub>CH(Cl)CH<sub>2sub>CH<sub>3sub> C、CH<sub>3sub>CH(Cl)CH<sub>2sub>CH<sub>3sub> D、CH<sub>3sub>CH<sub>2sub>CH(CH<sub>3sub>)CH<sub>2sub>Cl
A、CH<sub>3sub>COCH<sub>2sub>CH<sub>3sub>,CH<sub>3sub>CHO,CF<sub>3sub>CHO,CH<sub>3sub>COCH=CH<sub>2sub> B、 CH<sub>3sub>CHO,CF<sub>3sub>CHO,CH<sub>3sub>COCH<sub>2sub>CH<sub>3sub>,CH<sub>3sub>COCH=CH<sub>2sub> C、 CF<sub>3sub>CHO,CH<sub>3sub>CHO,CH<sub>3sub>COCH=CH<sub>2sub>,CH<sub>3sub>COCH<sub>2sub>CH<sub>3sub> D、 CF<sub>3sub>CHO,CH<sub>3sub>COCH=CH<sub>2sub>,CH<sub>3sub>CHO,CH<sub>3sub>COCH<sub>2sub>CH<sub>3sub>
A、(CH<sub>3sub>)<sub>3sub>CCH<sub>2sub>Br B、CH<sub>3sub>CH(CH<sub>3sub>)CH(CH<sub>3sub>)CH<sub>2sub>Cl C、CH<sub>3sub>CH<sub>2sub>CH(Br)CH<sub>3sub> D、CH<sub>3sub>CH<sub>2sub>CH(CH<sub>3sub>)CH<sub>2sub>(Cl)
A、CH<sub>3sub>CH<sub>2sub>CH<sub>2sub>CH<sub>3sub> B、CH<sub>3sub>CH(CH<sub>3sub>)<sub>2sub> C、CH<sub>3sub>C(CH<sub>3sub>)<sub>3sub> D、(CH<sub>3sub>)<sub>2sub>CHCH<sub>2sub>CH<sub>3sub>