阿摩線上測驗
登入
首頁
>
學士後西醫-化學
>
99年 - 學士後西醫化學99化學#36021
> 試題詳解
27. What is the major product of the reaction shown below?
(A)
(B)
(C)
(D)
(E) all of the above
答案:
登入後查看
統計:
A(0), B(0), C(0), D(4), E(0) #1037013
詳解 (共 1 筆)
大家加油! 邀請碼228480
B1 · 2025/12/12
#7235437
呋喃環是一個五元環結構,它由: 1...
(共 1991 字,隱藏中)
前往觀看
0
0
其他試題
23. What is the following name reaction? (A) Friedel-Crafts alkylation (B) Friedel-Crafts allylation (C) Claisen rearrangement (D) Ritter reaction (E) Curtius rearrangement
#1037009
24. What is the following reaction? (A) aldol condensation (B) Cannizzaro reaction (C) Claisen-Schmidt reaction (D) Knoevenagel reaction (E) Wittig reaction
#1037010
25. What product will be given if indole is reacted with bromine at 0 oC in dioxane? (A) 2-bromoindole (B) 3-bromoindole (C) 4-bromoindole (D) 5-bromoindole (E) none of the above
#1037011
26. Which of the following alkenes has the greatest reactivity toward ozonolysis?
#1037012
28. Bextra, a COX-2 inhibitor used in the treatment of arthritis, contains a heterocyclic ring. What is this heterocyclic ring named? (A) furan ring (B) oxazole ring (C) isoxazole ring (D) thiophene ring (E) indole ring
#1037014
29. Which of the following halides has the greatest rate toward nucleophilic aromatic substitution? (A)(B)(C)(D)(E) they all have the same rate
#1037015
30. Provide the major product in the oxidation of n-butylbenzene with KMnO4.
#1037016
31. Which of the following diols cannot be cleaved by periodic acid?
#1037017
32. A primary kinetic isotope effect could most likely to be observed in which of the following mechanisms? (A) SN1 and SN2 (B) SN2 (C) E1 and SN1 (D) E2 (E) E1
#1037018
33. Rank the following compounds in an order of decreasing rate in an E2 reaction. (A) A > B > C (B) A > C > B (C) B > A > C (D) C > A > B (E) C > B > A
#1037019