已知乙烯醇（CH2=CH—OH）不稳定，可自动转化为乙醛。乙二醇在一定条件下发生脱水反应，也有类似现象发生，所得结构简式有人写出下列几种，其中不可能的是①CH2="CH2" ②CH3CHO ③ ④_刷题宝

题干

已知乙烯醇（CH₂=CH—OH）不稳定，可自动转化为乙醛。乙二醇在一定条件下发
生脱水反应，也有类似现象

发生，

所得结构简式有人写出下列几种，其中不可能的是
①CH2="CH2 " ②CH3CHO ③

④

A：①

B：②③

C：③④

D：①④

上一题下一题 0.0难度选择题更新时间:2017-10-12 11:24:34

答案(点此获取答案解析）

A

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