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104年 - 104 學士後西醫:有機化學#27032
> 試題詳解
10. How many alkanes of formula C
7
H
16
possess a quaternary carbon atom?
(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
答案:
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統計:
A(1), B(14), C(22), D(2), E(3) #937539
詳解 (共 1 筆)
一階過了~準備畢業二階
B1 · 2018/12/12
#3111577
4級碳有以下三種
(共 10 字,隱藏中)
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11
0
私人筆記 (共 1 筆)
努力努力再努力
2019/05/31
私人筆記#1499997
未解鎖
C C-C-C-C-C ...
(共 87 字,隱藏中)
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2
0
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6. Which compound has the lowest pKa? (A) I (B) II (C) III (D) IV (E) V
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#937536
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11. The graph below is a plot of the relative energies of the various conformations, please predict the expected item? (A) 2-Chloropropane (B) 1,3-Dichloropropane (C) 2-Methylpropane (D) Butane (C1-C2 rotation) (E) Butane (C2-C3 rotation)
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13. The C7 compound which gives 3 signals in the broadband proton-decoupled 13C spectrum could be: (A) Heptane (B) 2-Methylhexane (C) 3,3-Dimethylpentane (D) 2,4-Dimethylpentane (E) 2,2,3-Trimethylbutane
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14. Select the structure of a compound C6H14 with a base peak at m/z 43. (A) CH3CH2CH2CH2CH2CH3 (B) (CH3CH2)2CHCH3 (C) (CH3)3CCH2CH3 (D) (CH3)2CHCH(CH3)2 (E) None of the above
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#937545