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112年 - 112 國立中山大學_學士後醫學系招生考試：物理及化學#113601
> 試題詳解
88. What is the formal charge of the oxygen atom in a molecule of CO
2
?
(A)0
(B)+1
(C)-1
(D)+2
(E)-2
答案：
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統計：
A(24), B(1), C(0), D(1), E(4) #3084547
詳解 (共 1 筆)
uu(已上榜)
B1 · 2023/12/03
#5977941
(共 1 字，隱藏中）
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其他試題
84. Which of the following [M(H2O)o"* complexes reacts the slowest in a water exchange reaction? (A) Cu2+ (B) High-spin Fe3+ (C) V3+(D) Ti3+ (E) Cr3+
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85. How many carbonyI stretching bands could be observed in the IR spectrum of the [Co(CO)3(PPh3)2]+ complex exhibiting a trigonal bipyramidal molecular geometry, where all three CO ligands are in the equatorial plane? (A)1 (B) 2 (C)3 (D)4 (E) 5
#3084544
86. The infrared spectrum of synthesized [Co(CO)2(CN)2Br2]- exhibits two bands attributable to C-O stretching but only one band attributable to C-N stretching. What is the most likely arrangement of the coordinated CO and CN ligands around the Co center, respectively? (A) cis C-O, trans C-N (B) cis C-O, cis C-N (C) trans C-O, cis C-N (D) trans C-O, trans C-N (E) None of the above
#3084545
87. In Valence Bond theory, bonds between atoms are formed by________.(A) overlap of proton wave functions (B) overlap of neutron wave functions (C) overlap of electron wave functions (D) overlap of proton and neutron wave functions (E) overlap of positron wave functions
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89. What does a low relative standard deviation indicate? (A) High accuracy (B) High precision (C) Low accuracy (D) Low precision (E) None of the above
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90. What is the number of σ-bonds in ethylene (C2H4)? (A)1 (B)2 (C)3 (D)4 (E) 5
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1. 將 10.0 mL 漂白水（主成分為 NaOCl）加水稀釋成 250 mL 溶液。取出 25.0 mL 與過量 KI 及少量稀硫酸反應， 生成的 碘需 18.0 mL 之 0.10 M 的硫代硫酸鈉溶液() 滴定至終點。則漂白水中 NaOCl 的體積莫耳濃度為何？ (A)0.9 (B)0.8 (C)0.7 (D)0.6 (E)0.5 M。
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2. 已知：若在 STP 時 H2 及 CH4混合氣體共 1 立方公尺，此混合氣體完全燃燒放熱 4960 千卡，則 H2與 CH4 體積的整數比為： (A)2：7 (B)7：2 (C)3：7 (D)7：3 (E)2：5。
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3. PV＝nRT，n 為定值，若如右圖，試排列 A、B、C 三點之體積大小： (A)(B) (C)(D)(E)
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4. 在鈹三價離子（）之發射光譜中，n = 4 → n = 2 之譜線波長為 X nm-光子，則基態氦原子之第二游離能為 X nm-光子之能量的多少倍？ (A) 4/3 (B) 2 (C) 8/3 (D) 4 (E) 16/3
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