下列反应中,属于取代反应的是
①CH3CH=CH2+Br2CH3CHBrCH2Br
②CH3CH2OH 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
①CH3CH=CH2+Br2CH3CHBrCH2Br
②CH3CH2OH CH2=CH2↑ +H2O
③CH3COOH+CH3CH2OHCH3COOCH2CH3+H2O
④C6H6+HNO3C6H5NO2+H2O
A.①② | B.③④ | C.①③ | D.②④ |
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