摘要:14.下列物质的沸点按由高到低的顺序排列正确的是 ( ) ①CH3(CH2)2CH3 ②CH3(CH2)3CH3 ③ (CH3)3CH ④ (CH3)2CHCH2CH3 A.②④①③ B.④②①③ C.④③②① D.②④③①

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