题文
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)3C CH3 ④(CH3)2CHCH2CH3
| A.②④①③ | B.④②①③ | C.④③②① | D.②④③① |
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)3C CH3 ④(CH3)2CHCH2CH3
| A.②④①③ | B.④②①③ | C.④③②① | D.②④③① |
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