A . KMnO4碱性溶液
B . 托伦试剂
C . K2CrO7+H2SO4
[单选题]将CH3CH=CHCHO氧化成CH3CH=CHCOOH选择下列哪种试剂较好?()A . 酸性KMnO4B . K2Cr2O7+H2SO4C . 托伦斯试剂D . HNO3
[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
CH3-|||-CH3CHCHCHCH2CH3-|||-CH3 CH2CH3 2.CH3-|||-CH3CHCHCHCH2CH3-|||-CH3 CH2CH
[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
用下列哪个试剂可将CH3CH=CHCH2CH2CHO还原为 CH3CH2CH2CH2CH2 CH2OHA. NaBH4B. LiHAl4C. H2+PdD. N
(66)解释下列事实:-|||-Br Br-|||-CH3CH=C-C H3→CH3 HBr a CH2C- - CH3 + CH3CH- -CHCH3-|||
[单选题]CH3CH=CHCH2CH=CHCF3+Br2(1mol)主要产物为()A . CH3CHBrCHBrCH2CH=CHCF3B . CH3CH=CHCH2CHBrCHBrCF3C . CH3CHBrCH=CHCH2CHBrCF3D . CH3CHBrCH=CHCHBrCH2CF3
将下列游离基按稳定性由大到小排列正确的是 ()-|||-()-|||-①CH3CH ②CH3CH2 ③ CH3 ④ ⑤(CH3)3C-|||-CH3-|||-A
命名下列化合物。(1)(CH3)3CC≡CCH2C(CH3)3 (4)(2)CH3CH=CHCH(CH3)C≡CCH3 (5)(3)HC≡CC≡CCH=CH2命
3.下列化合物酸性最强的是 ()-|||-A.CH3CH2 COOH B.CH2CH CH2OH-|||-C.CH3CHCOOH D.(CH3)2CHCOOH