5.单选题-|||-根据次序规则,下列基团中最优基团是-|||-A .-C(H)_(2)Cl-|||-B .-C(H)_(2)OH-|||-C .-C(H)_(3)-|||-D .-C(H)_(2)C(H)_(3)

问题2-3将下列基团按次序规则排列("较优"基团写在后)。-|||--CH=!=!= C(H)_(2) , -C=N , -C=CH , -C((C{H)_(3

equiv CC(H)_(2)C(H)_(2)OH 与 (H)_(3)C=!=!= C(C)_(2)OH-|||-CH2OH-|||-b. 与 CH3-|||-

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

下列化合物中具有旋光性的是:COOH-|||-A H a-|||-COOH-|||-B (H)_(2)=C=CHC(H)_(3)-|||-C2H5-|||-H

5.写出下列反应的产物。-|||-CHClCH3-|||-(1) + H2O NaHCO3-|||-Cl-|||-(2) (H)_(2)C(H)_(2)C(H)

7单选题[单选题]下列化合物中,与硝酸银的醇溶液反应最快的是( )a -1-|||-_(1)-C(H)_(2)C(H)_(2)Br-|||-b-|||-(H)

5.写出下列反应的主要产物。-|||-CHClCH3-|||-(1) + H2O NaHCO3-|||-Cl-|||-(2) (H)_(2)C(H)_(2)C(

下列反应OH-|||-(H)_(2)-CH=C(H)_(2) (H)_(2)CH=C(H)_(2)叫克莱森重排,它是:下列反应叫克莱森重排,它是:A. 碳正离子

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

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