A . -CH2OH>-CH2NH2>-CH2C(CH3)3
B . -CH2NH2>-CH2OH>-CH2C(CH3)3
C . -CH2C(CH3)3>-CH2NH2>-CH2OH
D . -CH2NH2>-CH2C(CH3)3>-CH2OH
CH2OH C. OH D. CH2CC2H5-|||-CH3 OH最易发生脱水成烯反应的 ____
→-|||-NO2-|||-C. (H)_(3)COOHarrow C(H)_(3)CON(H)_(2)-|||-d. CH3 CH2OH →CH3 CHCH2
下列基团按次序规则排序正确的是()①-CH2CH3②-CH2CH2Cl③-CH2OH④-CNA. ①②③④B. ③④②①C. ④③②①D. ④②③①
[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)。
用下列哪个试剂可将CH3CH=CHCH2CH2CHO还原为 CH3CH2CH2CH2CH2 CH2OHA. NaBH4B. LiHAl4C. H2+PdD. N
下列化合物沸点从小到大次序是()。(a)CH3CH2CH2COOH;(b)CH3CH2CH2CH3;(c)CH3CH2CH2CH2OH;(d)CH3CH2CH2
12.[填空题]-|||-_(H)_(3)-CH-C(H)_(2)-CH-CH-CH-C(H)_(3)-|||-CH3 CH2 CH2 CH3-|||-CH3
11.2用简单化学方法鉴别下列各组化合物。-|||-COOH-|||-OH-|||-a.CH3 CH2CH 2COCH2 COOCH3 CH3 CHCOOH-|
CH3-|||-CH3CHCHCHCH2CH3-|||-CH3 CH2CH3 2.CH3-|||-CH3CHCHCHCH2CH3-|||-CH3 CH2CH
以下三种烷烃 CH3CH2CH2CH3①、CH3CH2CH(CH3)2② 和CH3CH2C(CH3)3③甲基面外弯曲振动分别为( )A. ①为1395cm-1