有机化学第二版 - 夏百根 - 黄乾明 - 主编 - 课后答案 - 图文-

第二章 烷烃作业参考答案

1、 共有九种:

CH3-CH2-CH2-CH2-CH2-CH2-CH3CH3-CH-CH2-CH2-CH2-CH3CH2CH3-CH-CH-CH2-CH3CH3CH3CH3CH3-C-CH2-CH2-CH3CH3CH3-CH2-C-CH2-CH3CH3CH3-CH2-CH-CH2-CH2-CH3CH3CH3-CH-CH2-CH-CH3CH3CH3CH3-CH2-CH-CH2-CH2CH2-CH3CH3CH3-CCH3

2、(1)3-甲基戊烷 (2)2,5-二甲基-3,4-二乙基己烷

(3)2,2,3,4-四甲基戊烷 (4)2-甲基-5-乙基庚烷 (5)2-甲基-3-环丁基丁烷

(6)顺-1-甲基-3-乙基环戊烷(7)反-1-甲基-4-乙基环己烷 (8)1-甲基-4-乙基-3-叔丁基环己烷 3、(1) (2)

CH3CH3-C-CH2CH3CH3-CH-CH2-CH2-CH3CH3CH3

CH2CH3CH3HC(CH3)3CH-CH3CH3

(3) (4)

4、(1) (2)

CH3CH3-CH-CH-CH-CH-CH3HCH3CH2CH3CH3

CH3

5、(1)错。改为:2,2-二甲基丁烷

(2)错。改为:2,2,5-三甲基-4-乙基己烷 (3)正确 (4)错。改为:2,2-二甲基丁烷

CH3CH3CH3-C-CH-CH-CH3CH3-CH-C-CH2-CH3CH3-C-CH2-CH-CH3CH3CH2-CCH-CH3CH3CH3CH3CH3CH3CH3CH3

6、(1)改为:

CH3HH3CHC2H5HCH3CH2CHCH2CH3CH3 3-甲基戊烷

(2)

CH(CH3)2HH3CCH3HCl

ClCH3-CH2-C-CH(CH)2CH3

2,3-二甲基2-氯丁烷

7、C1-C2旋转:

CHOH25HOH

HOHC2H5HOHHHHHHHHHHHHC2H5HC2H5H 优势构象 C2-C3旋转:

H3CCH2OHHCH2OHCH3HCH2OHCH2OHHH

HHHHHHHHHHCH3HCH3H 优势构象 8、(1) (2) (3)

CH3CH2CH2CH3

CH2CH3OHCH2CH3CH(CH3)2 9、(1)>(2)>(3)>(4)

H3C

10、

CH3A:CH3-C-CH3CH3B:CH3-CH2-CH2-CH2-CH3C:CH3-CH-CH2-CH3CH3

11、 (4) > (3) > (1) >(2) 12、

CH3

CH3CH2CH3CH3褪色:Br2水不褪色:CH3CH2CH3

14(1)

CH3HI

(2)

C2H5CH3CH3-CH-CH2CH3I

CH2CH2CH3CH2CH2CH3H2SO

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