H2-|||-H·-|||-C40H20 C40H19-|||-H H-|||-lǐ H lǐ-|||-C40H19` C40H18-|||-过渡态3-|||-过渡态2-|||-150.8-|||-过渡态1 110.3 __-|||-70.9-|||-_(40)(H)_(18)+(H)^++(H)_(2)-|||-20.7-|||-0.0 _(40)(H)_(19)+(H)_(2)-|||-9.5-|||-_(40)^(A_{20)^+}(A)_(20)+(H)^- _(40)(H)_(19)'+(H)_(2)-|||-反应历程1.(2023·湖北卷,T19 )纳米碗C40H10是一种奇-|||-特的碗状共轭体系。高温条件下,C40H 10可-|||-以由C40H20分子经过连续5步氢抽提和闭-|||-环脱氢反应生成。 _(40)(H)_(20)(g)xrightarrow ({H)^-}(C)_(40)(H)_(18)(g)-|||-+(H)_(2)(g) 的反应机理和能量变化如下:-|||-H. H2-|||-H·-|||-C40H20 C40H19-|||-H H-|||-lǐ H lǐ-|||-C40H19` C40H18-|||-过渡态3-|||-过渡态2-|||-150.8-|||-过渡态1 110.3 __-|||-70.9-|||-_(40)(H)_(18)+(H)^++(H)_(2)-|||-20.7-|||-0.0 _(40)(H)_(19)+(H)_(2)-|||-9.5-|||-_(40)^(A_{20)^+}(A)_(20)+(H)^- _(40)(H)_(19)'+(H)_(2)-|||-反应历程

(H)_(3)C(H)_(2)C(H)_(2)Brarrow C(H)_(3)C(H)_(2)C(H)_(2)COOH-|||-C. (C(H)_(3))_(2

(H)_(3)-|||-(H)_(2)-CH-C(H)_(2)-C(H)_(2)-|||-(H)_(3) (H)_(3)命名为(H)_(3)-|||-(H)_(

1.必答[单选题]-|||-(H)_(3)C(H)_(2) H-|||-H C=C H-|||-C=C-|||-CH3 CH3-|||-的名称-|||-

square b. (H)_(3)C(H)_(2)C(H)_(2)OHarrow C(H)_(3)Cequiv CH-|||-c. (H)_(3)C(H)_(

(H)_(2)=CH-CH-C(H)_(3)-|||-C. (H)_(2)=CH-C(H)_(2) D. ((C{H)_(3))}_(2)-C(H)_(2)

1-|||-NO2-|||-C. (H)_(3)COOHarrow C(H)_(3)CON(H)_(2)-|||-d. (H)_(3)C(H)_(2)OHarr

7.写出下列各化合物的费歇尔投影式。-|||-H3-|||-(1) O H-|||-_(3)C(H)_(2)C H-|||-_(3)C H Cl-|||-(2)

(H)_(3)C(H)_(2)CH=C(H)_(2)xrightarrow ({H)_(2)S(O)_(4)}-|||-b. (C(H)_(3))_(2)C=C

下列构象中最稳定的是 ()-|||-H CH3-|||-H3C H-|||-A-|||-H H-|||-H H-|||-H CH3-|||-H H-|||-B-

用系统命名法命名下列烯烃： (1) (H)_(2)-C-C(H)_(2)-C(H)_(3)-|||-(H)_(2)-C(H)_(3)-|||-(2) (H)_(