18. Which of the following solvent is a protic solvent?
(A)
(B)
(C)
(D)
(E)

19.Which of the following description about SN2 reaction is incorrect? (A) The rate of the reaction is second order. (B) Inversion of configuration at the reacting center will occur. (C) There is no intermediate in an SN2 reaction. (D) Alkyl fluoride is very reactive in SN2 reaction. (E) In Sx2 reaction, using polar aprotic solvents will give a faster reaction rate compare to polar protic solvents.

20. Which of the following statements is correct? (A) A chiral compound will always react to give a chiral product. (B) The most stable conformation of tert-butylcyclohexane is with the tert-butyI group at the axial position. (C) Aryl amines can be synthesized by reduction of nitroarenes. (D) The Diels-Alder reaction involves rearrangement of electrons between the two HOMOs of the two reactants. (E) A hard nucleophile will prefer to react with an α.β-unsaturated carbonyl compound in 1,4- addition instead of 1,2-addition.

21. Which of the following has the smallest radius? (A)(B)(C)(D)(E) all of the above

22. Which of the following is not an inorganic compound? (A)BeH2(B)BH3 (C)CH4 (D)NH3(E) H2O

23. Which of the following is an organometallic compound? (A)(B) NaCl (C) PH3 (D)Ti(NMe2)4(E) Pd(OAc)2

24. Which of the following has the largest electronegativity? (A) B (B) C (C)N (D) O (E) F

25. The E/Ru value for an electron at n = 1 in a He+ cation, where E = energy, = Rydberg constant =13.61 eV, n = principal quantum number, is (A)-1 (B)-2 (C)-3 (D)-4 (E) none of the above

26. Among the following compounds, which is not isoelectronic with the others? (A) BH3 (B) CH4 (C) NH3 (D) H2O (E) HF

複選題27. Among the following compounds, whose molecular dipole is not zero? (A)PF5(B)PF3Cl2(C) PF2Cl3 (D)P4 (E) BF3

28. Among the following compounds, which has the largest bond angle? (A) NF3 (B) PF3 (C) AsF3 (D) SbF3 (E) all of the above

115年 - [無官方正解]115 國立中山大學_碩士班考試入學招生考試試題_化學系：有機化學及無機化學#138420

114年 - [無官方正解]114 國立中山大學_碩士班考試入學招生考試試題_化學系：有機化學及無機化學#138439

113年 - 113 國立中山大學_碩士班暨碩士在職專班招生考試試題_化學系碩士班：有機化學及無機化學#119266

112年 - 112 國立中山大學碩士暨碩士專班招生考試_化學系碩士班:有機化學及無機化學#119263

111年 - 111 國立中山大學_碩士班暨碩士在職專班招生考試_化學系：有機化學及無機化學#126310

110年 - 110 國立中山大學碩士暨碩士專班招生考試_化學系碩士班:有機化學及無機化學#110464

109年 - [無官方正解]109 國立中山大學_碩士班考試入學招生考試試題_化學系：有機化學及無機化學#138499

108年 - [無官方正解]108 國立中山大學_碩士班考試入學招生考試試題_化學系：有機化學及無機化學#138538

107年 - [無官方正解]107 國立中山大學_碩士班考試入學招生考試試題_化學系：有機化學及無機化學#138542

105年 - [無官方正解]105 國立中山大學_碩士班暨碩士專班招生考試_化學系：有機化學與無機化學#138560