12. In which pair do both compounds exhibit predominantly ionic bonding?
(A) SCl₆ and HF
(B) Na₂SO₃ and NH₃
(C) KI and O₃
(D) LiF and H₂O
(E) LiBr and MgO

17. In which pair do both compounds exhibit predominantly ionic bonding? (A) SCl4 and HF (B) Na2SO3 and NH3 (C) KI and O3  (D) BaF and H2O (E) RbCl and MgS

13. Which of the following statements concerning lattice energy is false? (A) It is often defined as the energy released when an ionic solid forms from its ions. (B) MgO has a larger lattice energy than NaF. (C) The lattice energy for a solid with 2+ and 2– ions should be two times that for a solid with 1+ and 1– ions. (D) MgO has a larger lattice energy than LiF. (E) All of these are true.

14. What type of structure does the XeOF2 molecule have? (A) pyramidal (B) tetrahedral (C) T-shaped (D) trigonal planar (E) octahedral

15. Which of the following molecules (or ions) has a dipole moment? (A) CO2 (B) CO32– (C) NH4+ (D) PF3 (E) two of them

16. The hybridization of the carbon atom in the cation CH3+ is: (A) sp2 (B) sp3 (C) dsp (D) sp (E) none of these

17. For solid ammonium perchlorate (NH4ClO4) , NH4+, Ka= 5.6✖10–10; for ClO4–, Kb10–21. How would you predict the property of its aqueous solution? (A) acidic (B) basic (C) neutral (D) cannot tell (E) none of these (A-D)

18. You have equal masses of different solutes dissolved in equal volumes of solution. Which of the solutes would make the solution having the highest molar concentration? (A) NaOH (B) KCl (C) KOH (D) LiOH (E) all the same

19. When a hydrogen electron goes from n = 2 to n = 1, the energy of the light emitted is equal to what fraction of its ground-state ionization energy? (A) 3/4 (B) 1/2 (C) 1/4 (D) 1/8 (E) 1/9

20. Consider the following representation of a 2p-orbital: Which of the following statements best describes the movement of electrons in a p-orbital? (A) The electrons move along the outer surface of the p-orbital, similar to a figure “8” type of movement. (B) The electrons move within the two lobes of the p-orbital, but never beyond the outside surface of the orbital. (C) The electrons are concentrated at the center (node) of the two lobes. (D) The electrons are only moving in one lobe at any given time. (E) The electron movement cannot be exactly determined.

21. The hybridization of the central atom in XeF5+ is: (A) sp (B) sp2 (C) sp3 (D) dsp3 (E) d2sp3

115年 - 115 國立嘉義大學_轉學生招生考試試題_應用化學系：普通化學#143922

115年 - 115 國立嘉義大學_轉學生招生考試試題_獸醫學系：普通化學#143851

115年 - [無官方正解]115 國立臺灣大學_轉學生招生考試：普通化學(C)#142702

115年 - 115 台灣聯合大學系統_學士班轉學生考試試題_A1：普通化學#142701

115年 - [無官方正解]115 台灣聯合大學系統_學士班轉學生考試試題_A6：普通化學#142699

115年 - [無官方正解]115 國立臺灣大學_轉學生招生考試：普通化學(A)#142644

114年 - 114 臺北醫學大學_寒假轉學入學考試試題：普通化學#145030

114年 - 114 國立嘉義大學_轉學生招生考試試題：普通化學#143941

114年 - 114 國立嘉義大學_轉學生招生考試試題_獸醫學系：普通化學#143721

114年 - 114 臺灣綜合大學系統_學士班轉學生考試試題:普通化學A#138275