...C=C双键的红外吸收最强的是()。(1)CH3-CH=CH2;(2)CH3-CH=CH-CH3(顺式);(3)CH3-CH=CH-CH3(反式)这是一个关于顺式 双键 分子吸收光谱的相关问题,下面我们来看答案...
下图是CH2=CH—CH=CH2合成D(OHC—CH=CH—CHO)的流程。回答下列问题:..[99%]
下图是CH2=CH—CH=CH2合成D(OHC—CH=CH—CHO)的流程。回答下列问题:(1)若A为溴代物写出其结构简式。(2)写出BC反应的化学方程式。(3)写出CD的反应...
下列各对物质中,互为同系物的是()A.CH3—CH3和CH3—CH=CH2B.CH3—C..[99%]
...各对物质中,互为同系物的是()A.CH3—CH3和CH3—CH=CH2B.CH3—CH=CH2和 CH3—CH2—CH=CH2C.CH3—CH2—CH3和CH3—CH=CH2D.CH3—CH2—CH2—CH3 和 CH3—CH2—OH
下述物质:①CH3(CH2)2CH3;②CH3(CH2)3CH3;③(CH3)3CH;④(CH3)2CHC..[99%]
下述物质:①CH3(CH2)2CH3;②CH3(CH2)3CH3;③(CH3)3CH; ④(CH3)2CHCH2CH3;⑤(CH3CH2)2CHCl,其沸点由高到低排列的顺序是[ ]A. ⑤②④①③ B. ④②⑤①③ C. ⑤④②①...
...定的是()。A.CICH+CH2CH3B.+CH2CH2CH2CH3C.CH3CH+CH2CH3D.CF3CH+CH2C[99%]
下列各正碳离子中最稳定的是()。A.CICH+CH2CH3B.+CH2CH2CH2CH3C.CH3CH+CH2CH3D.CF3CH+CH2CH3
...定的是()。A.CICH+CH2CH3B.+CH2CH2CH2CH3C.CH3CH+CH2CH3D.CF3CH+CH2C[99%]
下列各正碳离子中最稳定的是()。A.CICH+CH2CH3B.+CH2CH2CH2CH3C.CH3CH+CH2CH3D.CF3CH+CH2CH3
...定的是()。A.CICH+CH2CH3B.+CH2CH2CH2CH3C.CH3CH+CH2CH3D.CF3CH+CH2C[99%]
下列各正碳离子中最稳定的是()。A.CICH+CH2CH3B.+CH2CH2CH2CH3C.CH3CH+CH2CH3D.CF3CH+CH2CH3
...定的是()。A.CICH+CH2CH3B.+CH2CH2CH2CH3C.CH3CH+CH2CH3D.CF3CH+CH2C[99%]
下列各正碳离子中最稳定的是()。A.CICH+CH2CH3B.+CH2CH2CH2CH3C.CH3CH+CH2CH3D.CF3CH+CH2CH3
...定的是()。A.CICH+CH2CH3B.+CH2CH2CH2CH3C.CH3CH+CH2CH3D.CF3CH+CH2C[99%]
下列各正碳离子中最稳定的是()。A.CICH+CH2CH3B.+CH2CH2CH2CH3C.CH3CH+CH2CH3D.CF3CH+CH2CH3
下列各对物质中,互为同系物的是A.CH3-CH3和CH3-CH=CH2B.CH3-CH=..[99%]
下列各对物质中,互为同系物的是A.CH3-CH3和CH3-CH=CH2B.CH3-CH=CH2和CH3-CH2-CH=CH2C.CH3-O-CH3和CH3-CH2-OHD.C6H5-OH和C6H5-CH2-OH