下面四种变化中,有一种变化与其他三种变化类型不同的是( )
A.CH3CH2OH + CH3COOH CH3COOCH2CH3 + H2O
B.CH3CH2OH
CH2=CH2↑+H2O
C.2CH3CH2OH
CH3CH2OCH2CH3
+ H2O
D.CH3CH2OH + HBr
CH3CH2Br + H2O
下面四种变化中,有一种变化与其他三种变化类型不同的是( )
A.CH3CH2OH + CH3COOH CH3COOCH2CH3 + H2O
B.CH3CH2OH
CH2=CH2↑+H2O
C.2CH3CH2OH
CH3CH2OCH2CH3
+ H2O
D.CH3CH2OH + HBr
CH3CH2Br + H2O