摘要:15.下列反应属于取代反应的是( ) ①CH3CH2OH + HBr →CH3CH2Br + H2O ②2CH3CH2OHCH3CH2OCH2CH3+H2O ③CH3CH3+2Cl2CH2ClCH2Cl+2HCl ④ + HNO3 + H2O A.③ B.①③ C.①③④ D.全部
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