CH3 一-CH b. CH3CHCH 2CHCHCH3-|||-CH2 -CH-CH-CH3 CH3 CH3-|||-CH3 CH3-|||-CH3 CH3 CH3-|||-C. CH3CHC HCHCHCH3 d CH3C CHCH2CHCH3-|||-CH3 CH3 CH3CHCH3-|||-CH3 CH3 CH3-|||-e. CH3CHCHCH2 CHCH3 f. CH3 -CH-CH-CH-|||-CH3 CH3 CH3 CH-CH3-|||-CH3

12.[填空题]-|||-_(H)_(3)-CH-C(H)_(2)-CH-CH-CH-C(H)_(3)-|||-CH3 CH2 CH2 CH3-|||-CH3

CH3-|||-CH3CHCHCHCH2CH3-|||-CH3 CH2CH3 2.CH3-|||-CH3CHCHCHCH2CH3-|||-CH3 CH2CH

(66)解释下列事实:-|||-Br Br-|||-CH3CH=C-C H3→CH3 HBr a CH2C- - CH3 + CH3CH- -CHCH3-|||

A CH3CH2 CHCH=C HCH3-|||-CH2-|||-CH3CHCH CH=CHCH3-|||-CH3-|||-(H)_(2)C(H)_(2)CHC

[单选题]CH3（CH2）2CH2+（Ⅰ）；CH3CH+CH2CH3（Ⅱ）；（CH3）3C+（Ⅲ）三种碳正离子的稳定性顺序如何？（）A . （Ⅰ）>（Ⅱ）>（Ⅲ）；B . （Ⅰ）<（Ⅱ）<（Ⅲ）；C . （Ⅱ）>（Ⅰ）>（Ⅲ）；D . （Ⅱ）>（Ⅲ）>（Ⅰ）。

3.解释下述反应的主要产物为什么是-|||-CH3 CH3 Br CH3-|||-H3C -C -CH=CH2 HBr H3C -C- CH-CH3+H3C -

CH3-|||-由 合成 =0 。-|||-CH3

命名下列化合物。(1)(CH3)3CC≡CCH2C(CH3)3 (4)(2)CH3CH=CHCH(CH3)C≡CCH3 (5)(3)HC≡CC≡CCH=CH2命

将下列游离基按稳定性由大到小排列正确的是 ()-|||-()-|||-①CH3CH ②CH3CH2 ③ CH3 ④ ⑤(CH3)3C-|||-CH3-|||-A

CH3-|||-12.有机物 (H)_(3)-CH-C-C(H)_(3) 的名称是 ()-|||-CH3 CH3-|||-