13. Consider the following orderings. I. Na⁺ < Mg²⁺ < Al³⁺ < Si⁴⁺ II. Be < Mg < Ca < Sr III. I < Br < Cl < F IV. Al < Si < P < Cl Which of these give(s) a correct trend in ionization energy?
(A) III
(B) II, IV
(C) I, IV
(D) I, III, IV
(E) none of them

14. Consider the following molecules. Select the molecule(s) that violate the octet rule. (A) I, II, IV (B) I, III, IV, VI (C) III, V, VI (D) I, IV, VI (E) I, II, IV, VI

15. Which of the following statements is true? (A) Tetrahedral molecules (four identical bonds equally spaced) always has a dipole moment. (B) Both HF and CO₂ are linear molecules and therefore polar. (C) The correct order for molecules from most to least polar is CF₂H₂ > CCl₂H₂ > CF₂Cl₂ > CH₄ = CCl₄. (D) The molecular structure of SOCl₂ is trigonal planar. (E) The molecular structure of XeF₅⁺ is trigonal bipyramidal.

16. Consider the molecule:Specify the hybridization of each carbon atom.

17. Which of the following statements is false?(A) The bond length of $\text{N}2$ is shorter than $\text{N}2^+$.(B) The bond in of $\text{N}2$ is stronger than $\text{N}2^-$.(C) The bond dissociation energy of $\text{N}2$ is higher than $\text{N}2^-$.(D) The bond order of $\text{N}_2$ is 2.5.(E) All of above are true.

18. Which one of the following decreases as the strength of the attractive intermolecular forces increases? (A) the heat of vaporization (B) the normal boiling temperature (C) the extent of deviations from the ideal gas law (D) the sublimation temperature of a solid (E) the vapor pressure of a liquid

19. Determine the osmotic pressure of a solution that contains 0.048 g of a hydrocarbon solute (molar mass = 340 g/mol) dissolved in benzene to make a 350-mL solution. The temperature is 20.0°C. (A) 0.50 torr (B) 2.5 torr (C) 3.3 torr (D) 7.4 torr (E) 6.9 torr

20. For a reaction: aA → Products, $[\text{A}]_0 = 6.0 \text{ M}$, and the first two half-lives are 56 and 28 minutes, respectively. Calculate $[\text{A}]$ at $t = 105.9$ minutes. (A) 5.7 M (B) 12 M (C) 0.68 M (D) 0.33 M (E) none of these

21. Consider the following reaction: $\text{CS}2(g) + 4\text{H}2(g) \rightleftharpoons \text{CH}4(g) + 2\text{H}2\text{S}(g)$. The equilibrium constant $K$ is about 0.31 at 900°C. What is the $K_p$ at this temperature? (A) $2.9 \times 10^3$ (B) $3.2 \times 10^{-3}$ (C) $3.3 \times 10^{-5}$ (D) $3.0 \times 10^1$ (E) $1.1 \times 10^{-3}$

22. The questions below refer to the following system: $$\text{Co}(\text{H}2\text{O}){6}^{2+} + 4 \text{Cl}^- \rightleftharpoons \text{CoCl}4^{2-} + 6\text{H}2\text{O}$$ When cobalt(II) chloride is added to pure water, the $\text{Co}^{2+}$ ions hydrate. The hydrated form then reacts with the $\text{Cl}^-$ ions to set up the equilibrium shown here. Which statement below describes the change that the system will undergo if silver nitrate is added? (A) It should become more blue. (B) It should become more pink. (C) Water will be produced. (D) The silver ion will react with the $\text{CoCl}_4^{2-}$. (E) Nothing will change.

23. Using the following $K_a$ values, indicate the correct order of base strength. $$\text{HNO}_2 \text{ Ka} = 4.0 \times 10^{-4} \quad \text{HF Ka} = 7.2 \times 10^{-4} \quad \text{HCN Ka} = 6.2 \times 10^{-10}$$ (A) $\text{CN}^- > \text{NO}2^- > \text{F}^- > \text{H}2\text{O} > \text{Cl}^-$ (B) $\text{Cl}^- > \text{H}2\text{O} > \text{F}^- > \text{NO}2^- > \text{CN}^-$ (C) $\text{CN}^- > \text{F}^- > \text{NO}2^- > \text{Cl}^- > \text{H}2\text{O}$ (D) $\text{H}2\text{O} > \text{CN}^- > \text{NO}2^- > \text{F}^- > \text{Cl}^-$ (E) none of these

115年 - 115 高雄醫學大學_學生轉系考試試題：普通化學#146461

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 - 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