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如果定义有机物的同系一系列结构式符合A(W)NB(其中n=0,1,2,3……的化合物.式中A、B是任意一种基因(或氢原子),W为2价有机基团,又称为该同系列的系差.同系列化合物的性质往往呈现规律性变化.下列四组化合物中,不可称为同系列的是) | |
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A. |
CH3CH2CH2CH3 CH3CH2CH2CH2CH3 CH3CH2CH2CH2CH2CH3 |
B. |
CH3CH=CHCHO CH3CH=CHCH=CHCHO CH3(CH=CH)3CHO |
C. |
CH3CH2CH3 CH3CHClCH2CH3 CH3CHClCH2CHClCH3 |
D. |
ClCH2CHClCCl3 ClCH2CHClCH2CHClCCl3 ClCH2CHClCH2CHClCH2CHClCCl3 |
| A、CH3CH2CH2CH3 CH3CH2CH2CH2CH3 CH3CH2CH2CH2CH2CH3 | B、CH3CH=CHCHO CH3CH=CHCH=CHCHO CH3(CH=CH)3CHO | C、CH3CH2CH3 CH3CHClCH2CH3 CH3CHClCH2CHClCH3 | D、ClCH2CHClCCl3 ClCH2CHClCH2CHClCCl3 ClCH2CHClCH2CHClCH2CHClCCl3 |
A.CH3CH2CH2CH3 CH3CH2CH2CH2CH3 CH3CH2CH2CH2CH2CH3
B.CH3CH =CHCHO??CH3CH=CHCH=CHCHO CH3(CH=CH)3CHO
C.CH3CH2CH3 CH3CHClCH2CH3 CH3CHClCH2CHClCH3
D.ClCH2CHClCCl3 ClCH2ClCH2CHClCCl3 ClCH2CHClCH2CHClCH2CHClCCl3
查看习题详情和答案>>A.CH3CH2CH2CH3 CH3CH2CH2CH2CH3 CH3CH2CH2CH2CH2CH3
B.CH3CH═CHCHO CH3CH═CH—CH═CHCHO CH3(CH═CH)3CHO
C.CH3CH2CH3 CH3CHClCH2CH3 CH3CHClCH2CHClCH3
D.ClCH2CHClCCl3 ClCH2CHClCH2CHClCCl3 ClCH2CHClCH2CHClCH2CHClCCl3
查看习题详情和答案>>A.CH3CH2CH2CH3 CH3CH2CH2CH2CH3 CH3CH2CH2CH2CH2CH3
B.CH3CH=CHCHO CH3CH=CHCH=CHCHO CH3(CH=CH)3CHO
C.CH3CH2CH3 CH3CHClCH2CH3 CH3CHClCH2CHClCH3
D.ClCH2CHClCCl3 ClCH2ClCH2CHClCCl3 ClCH2CHClCH2CHClCH2CHClCCl3
查看习题详情和答案>>