Which of the following compounds can exist as cis and trans isomers?A.cyclopropropeneB.cyclobuteneC.cyclopenteneD.cycloocteneE.cyclohexene

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Whichofthefollowingcompoundscanexistascisandtransisomers?A.cyclopropropeneB.cyclobuteneC.cyclopenten

Which of the following compounds can exist as cis and trans isomers?A.cyclopropropeneB.cyclobuteneC.cyclopenteneD.cycloocteneE.cyclohexene
Which of the following compounds can exist as cis and trans isomers?
A.cyclopropropene
B.cyclobutene
C.cyclopentene
D.cyclooctene
E.cyclohexene

Which of the following compounds can exist as cis and trans isomers?A.cyclopropropeneB.cyclobuteneC.cyclopenteneD.cycloocteneE.cyclohexene
答案选择C 环辛烯
原因就是只有环辛烯可以分离出顺式和反式两种结构,尤其是反式,在形成两个环时,不会产生很大的张力,而其他的环烯的反式结构由于折叠成双环的张力过大而无法形成环.
下面是我搜索到的这道题的英文答案,仅供参考:

此题来源于《新编有机化学习题集》

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