A. Ag(NH₃)₂NO₃
B. Cu(NH₃)₂Cl
C. Tollens试剂
D. 酸性KMnO₄
[单选题]CH3CCH和CH3CH=CH2不能用下列哪些试剂来鉴别?()A . 托伦斯试剂B . Ag(NH3)2NO3C . Cu(NH3)2ClD . 酸性KMnO4
[单选题]CH3CH2C≡CH与CH3CH=CHCH3可用哪种试剂鉴别?()A . 硝酸银的氨溶液B . Br2的CCl4溶液C . 三氯化铁溶液D . 酸性KMnO4溶液
用下列哪个试剂可将CH3CH=CHCH2CH2CHO还原为 CH3CH2CH2CH2CH2 CH2OHA. NaBH4B. LiHAl4C. H2+PdD. N
CH₂=C(CH₃)CH₂CH₃ 与 HBr 加成的主要产物是 ()A. CH₂=C(CH₃)CH₂CH₂BrB. CH₃CH(CH₃)CHBrCH₃C. CH
[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)。
-c- CH-CH3-|||-B H2C 1-|||-H-|||-CH3CH3-|||-C CH3 c- CH-CH2-|||-i H-|||-CH3CH3-|
[单选题]IgG铰链区位于( )。A.CH区内B.CH与CH之间C.CH与CH之间D.CH与CH之间E.VH与CH之间
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
CH3 一-CH b. CH3CHCH 2CHCHCH3-|||-CH2 -CH-CH-CH3 CH3 CH3-|||-CH3 CH3-|||-CH3 CH3