下列反应中,属于取代反应的是( )
①CH3CHCH2+Br2
CH3CHBrCH2Br②CH3CH2OH
CH2
CH2↑+H2O
③CH3COOH+CH3CH2OHCH3COOCH2CH3+H2O
④C6H6+HNO3C6H5NO2+H2O
A.①② B.③④ C.①③ D.②④
下列反应中,属于取代反应的是( )
①CH3CHCH2+Br2
CH3CHBrCH2Br②CH3CH2OH
CH2
CH2↑+H2O
③CH3COOH+CH3CH2OHCH3COOCH2CH3+H2O
④C6H6+HNO3C6H5NO2+H2O
A.①② B.③④ C.①③ D.②④
B