阿摩線上測驗
登入
首頁
>
學士後西醫-化學
>
94年 - 學士後西醫化學94化學#86885
> 試題詳解
43. The acid present in vinegar is
.
(A) Ethanol
(B) Ethanoic acid
(C) Formic acid
(D) Benzoic acid
(E) Hydrochloric acid
答案:
登入後查看
統計:
A(0), B(4), C(1), D(0), E(0) #2347819
詳解 (共 1 筆)
阿姨我不想努力了
B1 · 2024/04/18
#6070573
酸雨組成: 【主要】燃燒含S煤礦產生...
(共 157 字,隱藏中)
前往觀看
0
0
其他試題
39. The Ka values for HSO4-and H2PO4- are 1.2 x 10-2 and 6.3 x 10-8 respectively. Therefore it followsthe HSO4- is a _____ acid than H2PO4- and SO42- is a _____ base than HPO42-. (A) weaker, weaker (B) stronger, stronger (C) weaker, stronger (D) stronger, weaker (E) cannot be predicted
#2347815
40. Determine the empirical formula of polystyrene which is 92.3% C and 7.7% H. (Atomic weights: C = 12.01, H = 1.008). (A) CH3 (B) CH2 (C) C2H (D) C2H3 (E) CH
#2347816
41. Give the intermediate that is formed in the ozonolysis reaction of (E.)-2-butene. (A) (B) (C) (D) (E)
#2347817
42. Give the reagent(s) that would best accomplish the following transformation. (A) CH3COOH (B) MnO2 (C) mCPBA (D) NBS (E) AIBN
#2347818
44. Which of the following dissolved in water to form acid rain? (A) H2SO4 (B) HCl(g) (C) NO2(g) (D) Cl2 (g) (E) SO3 (g)
#2347820
45. The compound, 2-methy1-2-propanol, is an isomer of . (A) butane (B) propane (C) butanol (D) propanol (E) methanol
#2347821
46. What is the name of the following amine? (A) Pyridine (B) Pyrrole (C) Piperidine (D) Pyrimidine (E) Pyrrolidine
#2347822
47. Which structure best fits compound Y produced by the following series of reactions starting with p-chlorotoluene? (A) (B) (C) (D) (E)
#2347823
48. Choose the statement that is true concerning nitrobenzene and electrophilic aromatic substitution. (A) Activate the benzene ring at meta-position (B) Deactivate the benzene ring at the ortho and para-positions (C) meta-Position of benzene ring most deactivated (D) Activate the ortho-position only (E) Activate the para-position only
#2347824
49. Which of the following are antiaromatic? (A) (B) (C) (D) (E) None of the above
#2347825