单项选择题
A.H2O /H+B.①浓硫酸②水解C.①B2H6②H2O2/OH-D.冷、稀KMnO4
A.CH3CH=CHCH3B.CH3CH=CH2C.CH2=CH2D.(CH3)2C=C(CH3)2
A.1,2-二溴乙烷B.1-氯-2-溴乙烷C.2-溴乙醇D.2-氯乙醇
A.-OCOCH3B.-ClC.-COOCH3D.-N+(CH3)3
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