7.How many carbon-carbon σ bonds are present in the molecule shown?

(A)2
(B)3
(C) 4
(D)5

8.How many π bonds are present in the molecule shown?(A)0 (B)1 (C) 3(D)4

9.Vildagliptin is a recently released antidiabetic drug (J. Med. Chem. 2010, 7902). How many elements of unsaturation are in Vildagliptin?(A)4 (B)5 (C) 6(D)7

10. In the structure below, the hybridization of the oxygen is ________ and the C-O-C bond angle is ________. (A)sp2； 120° (B)sp2； ＜109.5° (C) sp3； 120°(D)sp3； ＜109.5°

11. The structure below is a potent analgesic agent (pain reliever) (J. Med. Chem., 2009, 5685). How many secondary carbons are in this structure?(A)2 (B)4 (C) 6(D)12

12. How many methylene groups are present in 2,4-dimethylhexane? (A)0 (B)1 (C) 2(D)6

13. Among the butane conformers, which occur at energy minima on a graph of potential energy versus dihedral angle? (A)gauche only (B)eclipsed and totally eclipsed (C) gauche and anti(D)eclipsed only

14. Which of the following species is not formed through a termination reaction in the chlorination of methane? (A)CH3Cl (B)HCl (C) H2(D)CH3CH3

15. If the equilibrium constant (Keq) of a reaction is 0.5 then which of the following that must be true? (A)The reaction will have an early transition state. (B)Reaction equilibrium will favor the products. (C) Gibbs free energy (G) is positive.(D)Gibbs free energy (G) is negative.

16. Which is a measure of the randomness of a system? (A)entropy (B)enthalpy (C) free energy(D)halogenation

17. Which of the following statements correctly describes the contribution of ΔS° to ΔG° ? (A)The entropy term makes a greater contribution to ΔG° at low temperatures. (B)The entropy term makes a greater contribution to ΔG° at high temperatures. (C) The entropy term makes a greater contribution to ΔG° in exothermic reactions. (D) The entropy term makes a greater contribution to ΔG° in endothermic reactions.

114年 - [無官方正解]114 亞洲大學_學士後獸醫學系招生試題：化學(含普通化學、有機化學)#131168

113年 - 113 中國醫藥大學_學士班寒假轉學招生考試：普通化學#124976

113年 - 113 亞洲大學_學士後獸醫學系招生考試試題：化學科#123227

112年 - 112 中國醫藥大學_學士班寒假轉學招生考試試題：普通化學#118600

112年 - 112 亞洲大學學士後獸醫學系招生考試試題_學士後獸醫學系：化學(含普通化學、有機化學)#117879

111年 - 111 中國醫藥大學學士班寒假轉學招生考試：普通化學#112961

111年 - 111 國立清華大學學士後西醫學系單獨招生考試_學士後醫學系自然科學組：化學#110532

111年 - 111 國立中興大學_學士後醫學系試題_學士後醫學系甲、乙組：化學#107632

111年 - 111 學士後醫學系招生考試：物理及化學#107629

110年 - 110 中國醫藥大學_學士班寒假轉學考試：普通化學#105829