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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
90. What is the number of σ-bonds in ethylene (C
2
H
4
)?
(A)1
(B)2
(C)3
(D)4
(E) 5
答案:
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統計:
A(3), B(0), C(0), D(1), E(27) #3084549
詳解 (共 2 筆)
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B1 · 2023/12/03
#5977931
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B2 · 2025/11/25
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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
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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
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