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

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

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

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    • -c- CH-CH3-|||-B H2C 1-|||-H-|||-CH3CH3-|||-C CH3 c- CH-CH2-|||-i H-|||-CH3CH3-|||-D CH3 C- CH-CH2-|

    -c- CH-CH3-|||-B H2C 1-|||-H-|||-CH3CH3-|||-C CH3 c- CH-CH2-|||-i H-|||-CH3CH3-|

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    • 5.分析所给烯烃的结构简式,回答问题:-|||-H3C CH3 H CH3 H CH3 H H-|||-C=C C=C C=C C=C-|||-H H H3C H H H H CH3-|||-a b

    5.分析所给烯烃的结构简式,回答问题:-|||-H3C CH3 H CH3 H CH3 H H-|||-C=C C=C C=C C=C-|||-H H H3C

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    • H、 H-|||-CH3 C=C-|||-42.按系统命名法,二烯烃 C=C-|||-CH3 的名称为 ()-|||-H C(CH3)3-|||-

    H、 H-|||-CH3 C=C-|||-42.按系统命名法,二烯烃 C=C-|||-CH3 的名称为 ()-|||-H C(CH3)3-|||-

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    • (五)在下列各组化合物中,哪一个比较稳定?为什么?-|||-H H H CH(CH3)2-|||-(1) C=C C=C-|||-H3C CH(CH3)2 H3C H-|||-CH3 CH3-|||-

    (五)在下列各组化合物中,哪一个比较稳定?为什么?-|||-H H H CH(CH3)2-|||-(1) C=C C=C-|||-H3C CH(CH3)2 H3

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    • Br-|||-(1)-|||-Br H-|||-CH3-|||-CH2CH3-|||-H Cl-|||-(2)-|||-H H-|||-CH3-|||--C(H)_(2)-|||-Br-|||-(3)

    Br-|||-(1)-|||-Br H-|||-CH3-|||-CH2CH3-|||-H Cl-|||-(2)-|||-H H-|||-CH3-|||--C(H

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    • 3-13 完成下列反应。-|||-(1) square -C(H)_(3)+H-|||-(2) -C(H)_(3)+(H)_(2)S(O)_(4)-|||-CH3 Br2-|||-(3) CH3-||

    3-13 完成下列反应。-|||-(1) square -C(H)_(3)+H-|||-(2) -C(H)_(3)+(H)_(2)S(O)_(4)-|||-CH

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    • Cl H3C Cl-|||-(3) (4) H3C 直-|||-CI CH3 H Cl-|||-H H-|||-(5)-|||-H3C C2H5-|||-(4) H3C 直-|||-H CH3-|||

    Cl H3C Cl-|||-(3) (4) H3C 直-|||-CI CH3 H Cl-|||-H H-|||-(5)-|||-H3C C2H5-|||-(4)

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    • 若在下一离子中运动的π电子可用一维势箱近似表示其运动特征:-|||-H H H H-|||-H3C C C C C CH3-|||-N C C C N-|||-CH3 H H H CH3-|||-估计

    若在下一离子中运动的π电子可用一维势箱近似表示其运动特征:-|||-H H H H-|||-H3C C C C C CH3-|||-N C C C N-|||-

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    • [1.20]若在下一离子中运动的π电子可用一维势箱近似表示其运动特征:-|||-H H H H-|||-H3C C C C C CH3-|||-N C C C N-|||-CH3 H H H CH3-

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