34. The first allotrope of nitrogen was successively synthesized and confirmed using spectroscopic methods this year. It is a linear molecule composed of six nitrogen atoms. Predict its Lewis structure that fulfills the octet rule, and choose the correct statement regarding the bond length. $$ \mathrm{N}^{1}\square \mathrm{N}^{2}\square \mathrm{N}^{3}\square \mathrm{N}^{4}\square \mathrm{N}^{5}\square \mathrm{N}^{6} $$
(A) The five bonds have the same length
(B) The bonds between $\mathrm{N}^{1}\mathrm{N}^{2}$ and $\mathrm{N}^{5}\mathrm{N}^{6}$ are the longest
(C) The bond between $\mathrm{N}^{3}\mathrm{N}^{4}$ is the longest
(D) The bonds between $\mathrm{N}^{2}\mathrm{N}^{3}$ and $\mathrm{N}^{4}\mathrm{N}^{5}$ are the longest
(E) There is no single bond in this structure

35. The equilibrium constant $(K_{\mathrm{eq}})$ of one reaction is measured at four different temperatures, and the regression data are plotted. Choose the INCORRECT statement regarding the thermodynamic properties of this reaction.  (A) $\Delta H^{\circ} \approx 1.1 \cdot 10^{5} \ \mathrm{J} \cdot \mathrm{mol}^{-1}$(B) $\Delta S^{\circ} \approx 330 \ \mathrm{J} \cdot \mathrm{K}^{-1} \cdot \mathrm{mol}^{-1}$ (C) $\Delta G^{\circ}$ increases when lowering the temperature(D) $K_{\mathrm{eq}}$ increases when increasing the temperature(E) $\Delta G^{\circ} \approx 58 \ \mathrm{kJ/mol}$ at $700 \ \mathrm{K}$

36. Enzymes ( E ) can catalyze reactions through the formation of an enzyme-substrate intermediate (ES). Then ES decomposes into product (P) along with the release of free E. The total enzyme concentration is constant throughout the process, where $[\mathrm{E}]_{\mathrm{t}} = [\mathrm{E}] + [\mathrm{ES}]$. The mechanism can be expressed below: $$ E + S \underset{k_{-1}}{\overset{k_1}{\rightleftharpoons}} ES \underset{k_{-2}}{\overset{k_2}{\rightleftharpoons}} E + P $$ Assuming the decomposition of ES is irreversible, and the concentration of ES is small and remains steady during the whole process, what is the maximum rate $(r_{\max})$ of this reaction? (A) $r_{\max} = k_1[\mathrm{E}]_{\mathrm{t}}$ (B) $r_{\max} = k_2[\mathrm{E}]_{\mathrm{t}}$ (C) $r_{\max} = k_1[\mathrm{E}][\mathrm{S}]$ (D) $r_{\max} = k_2[\mathrm{ES}]$ (E) $r_{\max} = \dfrac{k_1k_2}{k_{-1}}[\mathrm{ES}]$

37. A transition metal complex with a form as $\left[\mathrm{MCl}_4\right]^{2-}$ undergoes a ligand exchange reaction by adding ammonia, resulting in a M(NH3)63+ complex. Choose the LEAST possible statement regarding this reaction. (A) M can be Zn (B) The complex becomes diamagnetic after the reaction (C) The color of the complex changes after the reaction (D) The geometry of the complex changes after the reaction (E) The reaction cannot proceed in $\mathbf{N}_2$ environment

38. 2D materials are crystalline solids comprising a single layer of atoms. The most well-known 2D material is graphene, which is in the form of a plane of $\mathfrak{sp}^2$-bonded C atoms. Using the graphene structure as a hint, select the LEAST possible element that can form a 2D material. (A) Si (B) B (C) P (D) Bi (E) S

39. 10 moles of gaseous reactant A dimerize to B in a syringe isothermally. The total Gibbs free energy (G) of the equilibrium state is marked in the right graph. Assuming both A and B behave like an ideal gas, predict the change in G of this system after pressing the piston (the new equilibrium state is marked as #). (A)(B) (C)(D)(E)

40. What is the maximum number of electrons in an atom whose quantum numbers fulfill these conditions: n = 5, $\ell = 2$, $m_{\ell} > 0$. (A) 12 (B) 10 (C) 8 (D) 4 (E) 6

複選題1. 濃度同為 $0.02 \mathrm{M}$ 的 $C_{6} H_{5} COOH(aq)$ 與 $CH_{3} COOH(aq)$ 以同體積混合，達平衡時，下列敘述哪些正確？（ $C_{6} H_{5} COOH$ 之 $K_{a} = 6.5 \times 10^{-5}$，$CH_{3} COOH$ 之 $K_{a} = 1.6 \times 10^{-5}$） (A) $[H^{+}] = 9.0 \times 10^{-4} \mathrm{M}$ (B) $[H^{+}] = [C_{6}H_{5}COO^{-}] + [CH_{3}COO^{-}] + [OH^{-}]$ (C) $[H^{+}] > [CH_{3}COO^{-}] > [C_{6}H_{5}COO^{-}]$ (D) $\left(\left[CH_{3}COO^{-}\right] / \left[CH_{3}COOH\right]\right) > \left(\left[C_{6}H_{5}COO^{-}\right] / \left[C_{6}H_{5}COOH\right]\right)$ (E) $\left(\left[CH_{3}COO^{-}\right] / \left[CH_{3}COOH\right]\right) + \left(\left[C_{6}H_{5}COO^{-}\right] / \left[C_{6}H_{5}COOH\right]\right) = 9.0 \times 10^{-4}$

複選題2. 關於鍵結電子，分子形狀及分子偶極矩的下列敘述，哪些正確？ (A) 甲醛及甲酸分子中，碳原子的鍵結軌域均為 $sp^2$ 混成 (B) $O_{3}, CO_{2}$ 及 $N_{2}O$ 三分子均具有相同的分子形狀 (C) $BF_{3}$ 及 $NF_{3}$ 均為非極性分子 (D) $CHCl_{3}, CH_{2}Cl_{2}$ 及 $CH_{3}Cl$ 均為極性分子 (E) 鍵角比較：$OF_{2} < H_{2}O < NH_{3}$

複選題3. 已知某酯類化合物A是由碳、氫及氧三元素組成。取此化合物5.7克完全燃燒後，得 $CO_{2}$ 13.2克及 $H_{2}O$ 4.5克。若將A在NaOH的水溶液中加熱，使A完全反應後，將溶液酸化，的兩種主要產物B及C。將B加入 $KMnO_{4}$ 的酸性水溶液中完全反應得化合物D。將C在鉑黑的催化下進行高壓的氫化反應，亦可得同樣產物D。已知D的分子量為74，A、B、C及D均為不相同的化合物，試問下列敘述哪些正確？ (A) A的最小合理分子式為 (B) A的結構式為 (C) B為異丙醇 (D) C為丙烯酸 (E) D為丙醛

複選題4. 化學電池的自由能變化 $(\Delta G)$ 是反應最大可用的功：$\Delta G = -W_{max}$，對於伏打電池而言，此功即為電功 $-nFE_{cell}$（法拉第常數 $F = 96500$ (C/mol)。已知標準電位： $$ \begin{array}{l} \ln^{+}(aq) + e^{-} \rightarrow \ln(s) \quad E^{*} = -0.21 \mathrm{V} \\ \ln^{3+}(aq) + 2e^{-} \rightarrow \ln^{+}(aq) \quad E^{*} = -0.40 \mathrm{V} \\ \end{array} $$ 關於 $\ln^{+}(aq)$ 的自身氧化還原反應的下列敘述，哪些正確？ (A) 反應式為 $3\ln^{+}(aq) \rightarrow 2\ln(s) + \ln^{3+}(aq)$ (B) 此反應的標準電池電位 $\left(E_{cell}^{*}\right) = 0.19 \mathrm{V}$ (C) 此反應的標準電池電位 $\left(E_{cell}^{*}\right) = 0.61 \mathrm{V}$ (D) 此反應的標準自由能 $(\Delta G^{*}) = -36.7 \mathrm{kJ}$ (E) 此反應的標準電池電位 $\left(E_{cell}^{*}\right) < 0$，屬於非自發性反應

115年 - 115 台灣聯合大學系統_碩士班招生考試_化學類：綜合化學#140573

114年 - 114 台灣聯合大學系統_碩士班招生考試_化學類：綜合化學#127011

113年 - 113台聯大 綜合化學 .pdf#120331

112年 - 112 台灣聯合大學系統_碩士班招生考試_化學類:綜合化學#117883

111年 - 111 台灣聯合大學系統_碩士班招生考試_化學類：綜合化學#125363

110年 - 110台灣聯合大學系統_碩士班招生考試_化學類:綜合化學#104938

110年 - 110東吳大學_碩士班招生考試_化學系︰綜合化學#100054

109年 - 109東吳大學_碩士班招生考試_化學系：綜合化學#100831

108年 - 108東吳大學_碩士班招生考試_化學系︰綜合化學#101135

101年 - 101 台灣聯合大學系統_碩士班招生考試_化學類：綜合化學#138433