题目内容
试题答案
下列变化是通过取代反应来实现的是 ( )
A.CH3CH2OH CH3CHO B.CH2=CH2 CH3-CH2Br
C.CH2=CH2 +H2O CH3CH2OH D.
A.CH3CH2OH CH3CHO
B.CH2=CH2 CH3-CH2Br
C.CH2=CH2 +H2O CH3CH2OH
D.