第一章 习题参考答案 1-1 略 1-2 C O HHHHC COHHH(1)(2)H(3)sp3 sp3 sp2C NHHHHHC CHHHN(4)(5)C CHHHN Osp3 sp3 sp sp3 sp 1-3 C18H11NO2 1-4 (A): c < b < a; (B): c < b < a; (C): b < a < c 1-5 有机化合物氧原子具有未共享电子对,表现为碱,与质子结合,从而溶于冷的浓硫酸
加水稀释后,释放出硫酸,又得到原来的化合物
以乙醚为例: O+ H2SO4O+ HSO4HO+ HSO4HH2OO+ H2SO4 1-6 (1) CH3CH2OH (2) CH3CH2O (3) CH3CH2S (4) HCOO (5) H2PO4 (6) I (7) (CH3)2N (8) HO (9) H2O (10) NH3 1-7 写出下列碱的共轭酸
(1) OH (2) HF (3) C2H5OH (4) H3O+ (5) (CH3)2NH2+ 1-8 Lew is 酸BF3,ZnCl2,AlCl3; Lew is 碱CH3CH2OH,CH3CH2OCH2CH3,NH3,H-CC,C2H5O,CH3SCH3,H2CCH2 1-9 A: CHCl3 > CH2Cl2 > CH3Cl > CCl4 HClHHHClClHHClHClB:(2)>(3)>(5)>(1) H3CH3CC CCH3CH3H3CCH3(7) (CH3)2CHCH2CH3(8) (CH3)2CHCHCH2CH2CCH2CH3CH2CH3CH3CH2CH3(9)(10)2-7 熔点:(1)>(2);沸点:(1)(3)>(2)>(4) 2-9 1,2-二溴乙烷的四种典型构象式(从左到右稳定性依次降低) HHBrHHBrHHBrHHHBrHHBrHHB