阿摩線上測驗
登入
首頁
>
學士後西醫-有機化學
>
100年 - 100 學士後西醫:有機化學#35480
> 試題詳解
59. Which of the following acids does not decarboxylate on heating?
答案:
登入後查看
統計:
A(1), B(2), C(14), D(0), E(0) #1026944
詳解 (共 1 筆)
一起加油! 邀請碼228480
B1 · 2025/12/10
#7223127
這個問題詢問的是在加熱時不會發生脫羧 (...
(共 2701 字,隱藏中)
前往觀看
1
0
相關試題
60. Which of the following schemes will proceed to give the compound indicated as the major product. (A) I only (B) I and II (C) II and III (D) I and III (E) all of them
#1026945
61. Which of the following statement for Diels-Alder reaction is false? (A) Diels-Alder reaction is a pericyclic process. (B) The endo product, rather than exo product, is formed. (C) It is a thermal reaction. (D) It is a suprafacial [4+2]-π-electron cycloaddition. (E) None of the above.
#1026946
62. Choose the incorrect statement about the following acid/base reactions involving propyne and its anion propynide. (pKa : H2O = 16; CH3C≣CH = 25; NH3 = 34) (A) The equilibrium in (i) lies to the left. (B) The equilibrium in (ii) lies to the right. (C) You can prepare propynide salts in NH3 (D) In reaction (ii) ammonia, NH3, acts as a base. (E) Propyne is a stronger acid than ammonia
#1026947
63. Which of the following compound does not contain carbonyl group(s) in its structure? (A) dicyclohexylcarbodiimide (B) cycloheptatrienone (C) sulfanilamide (D) benzoyl phosphate (E) dimethyl malonate
#1026948
64. Which comopund has the smallest heat of hydrogenation? (A) 5-methyl-1,2-hexadiene (B) (E)-5-methyl-1,3-hexadiene (C) 5-methyl-1,4-hexadiene (D) 2-methyl-1,5-hexadiene (E) (E)-2-methyl-2,4-hexadiene
#1026949
65. The correct priority of functional groups in IUPAC nomenclature is: (A) acid > ester > amide > ketone (B) amide > acid > ester > ketone (C) amide > ester > acid > ketone (D) ester > amide > ketone > acid (E) ketone > acid > ester > amide
#1026950
66. Structure I-IV may represent a conformation of 2,2-difluorobutane sighting along any C-C bond. Please pick up right structures. (A) I, II, III (B) II, III, IV (C) I, II, IV (D) all of the above (E) none of the above
#1026951
67. Which of the following reactions of alkenes is not stereospecific? (A) bromohydrin formation (Br2 in H2O) (B) hydrogenation (H2, Pd) (C) bromination (Br2) (D) acid-catalyzed hydration (H2O, H2SO4) (E) dihydroxylation (OsO4, NaHSO3)
#1026952
68. Which system would give the largest ratio of substitution to elimination product(s)? (A) cyclohexanol + acid (B) cyclohexyl iodide + t-BuOK in t-BuOH (C) 1-bromobutane + t-BuOK in DMSO (D) 1-bromobutane + KI in acetone (E) 2-bromobutane + MeONa in DMSO
#1026953
69. Optically pure (S)-monosodium glutamate has a specific rotation of +25o , what percent of (R)-monosodium glutamate in a sample with a specific rotation of -10o ? (A) 10% (B) 30% (C) 40% (D) 70% (E) 50%
#1026954
相關試卷
105年 - 105 學士後西醫:有機化學#78642
2016 年 · #78642
104年 - 104 學士後西醫:有機化學#27032
2015 年 · #27032
103年 - 103 學士後西醫:有機化學#27037
2014 年 · #27037
102年 - 102 學士後西醫:有機化學#27324
2013 年 · #27324
101年 - 101 學士後西醫:有機化學#27197
2012 年 · #27197
100年 - 100 學士後西醫:有機化學#35480
2011 年 · #35480
98年 - 098 學士後西醫:有機化學#37156
2009 年 · #37156
96年 - 96學士後西醫-有機化學 #37201
2007 年 · #37201