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113年 - 113 國立中興大學_公費生招生考試_學士後醫學系:化學科#119556
> 試題詳解
23. Among the following, which radical is the most stable?
(A) I
(B) II
(C)III
(D)IV
(E)V
答案:
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統計:
A(1), B(2), C(2), D(20), E(0) #3227636
詳解 (共 1 筆)
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B1 · 2025/10/25
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為了回答此考題,我們需要先了解所提到的“...
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2024/11/25
私人筆記#6533205
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19. Which of the following outlines the characteristic pattern observed for an isopropyl group in a 1H NMR spectrum? (A)The spectrum contains a 1H septet and a 6H doublet (B) The spectrum contains a 1H sextet and a 6H doublet (C) The spectrum contains a 1H quartet and a 6H quartet (D) The spectrum contains a 1H triplet and a 6H quartet (E) The spectrum contains a 1H doublet and a 6H quartet
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20. Which statement is correct? (A) Comparison with standards is used to identify random error (B) Calibration curve is used to compensate the matrix effect (C) Standard addition method is used to reduce the random errors in measurements (D) Standard addition method is used to compensate the matrix effect (E) Internal standard is used to reduce the random error in measurements
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21. Place the following in order of decreasing radius. (A)Te2- >F- >O2- (B) Te2- > O2-> F-(C) O2->F->Te2- (D) F- > Te2- > O2- (E)F- >O2- >Te2-
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22. Commercial grade hydrofluoric acid (HF = 20.01 g mol-1) solutions are typically 48.0% (w/w). What is the molality of the HF, if the solution has a density of 1.15 g mL-1? (A) 20.9 m (B) 27.6 m (C) 40.1 m (D) 46.1 m (E) 53.1 m
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24. Place the following in order of decreasing magnitude of lattice energy.NaF MgO CsI AIN (A) CsI > AIN > MgO > NaF (B) AIN > MgO > NaF > CsI (C) NaF > CsI > MgO > AIN (D) AIN > MgO > CsI > NaF (E) CsI > NaF > MgO > AIN
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26. What is the rate law for the given reaction and its mechanism? (A) Rate = k[HgCl2][C2O42-] (B) Rate = k[HgCl2]2[C2O42-] (C) Rate = k[Hg2Cl2] (D) Rate = k[HgCl2][C2O42-]2 (E) Rate = k[HgCl2]2[C2O42-]2
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29.Which option below outlines an effective method for relocating the position of a π bond? (A) Substitution, followed by addition (B) Addition, followed by substitution (C) Elimination, followed by addition (D) Addition, followed by elimination (E) None of the above
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