阿摩線上測驗
登入
首頁
>
轉學考-普通化學
>
109年 - 台聯大學士班轉學考 普通化學A6#99771
> 試題詳解
33. Aspirin is formed via a(r)_______ reaction.
(A) combustion
(B) hydrogenation
(C) condensation
(D) substitution
(E) addition
答案:
登入後查看
統計:
A(1), B(0), C(2), D(6), E(1) #2735936
詳解 (共 1 筆)
uu(已上榜)
B1 · 2023/10/11
#5944803
(共 1 字,隱藏中)
前往觀看
2
0
其他試題
29. A certain substance, X, has a triple-point temperature of 20℃ at a pressure of 2.0 atm. Which one of the following statements cannot possibly be true? (A) X can exist as a liquid above 20℃ (B) both liquid and solid X have the same vapor pressure at 20℃ (C) liquid X can exist as a stable phase at 25℃ , 1 atm (D) X can exist as a solid above 20℃ (E) all of these statements could be true
#2735932
30. The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3 . A large increase in pressure will (A) lower the freezing point (B) lower the boiling point (C) lower the triple point (D) raise the triple point (E) raise the freezing point.
#2735933
31. Which of the following is the most polarizable? (A) Ar (B) He (C) Kr (D) Ne (E) Xe
#2735934
32. For which of the following compound(s) are cis and trans isomers possible? (A) difluoroethyne (B) 2,3-dichloro-2-butene (C) 3,4-diethyl-3-hexene (D) ortho-chloroanaline (E) 4,4-dimethylcyclohexanol
#2735935
34. Which of the following is optically active? (A) 3-chloropentane (B) 1-bromopentane (C) 2-chloropentane (D) dichloromethane (E) dimethylamine
#2735937
35. Choose the correct molecular structure for XeF6. (A) trigonal planar (B) octahedral (C) trigonal bipyramidal (D) tetrahedral (E) none of these
#2735938
36. The deciding factor that makes HF a weak acid is that (A) HF has a large bond energy (B) F2 has a small bond energy (C) the entropy for hydration of F- is a large negative value (D) the enthalpy of hydration ofF- is negative (E) F- has the largest ionization energy of all the halide ions
#2735939
37. How many of the following statements are false? I:the Group 3A elements are all metals;II:Alkaline earth metals react less vigorously with water than do alkali metals;III:Salts can consist of hydrogen;IV:because Li is the strongest reducing agent among the alkali metals, it reacts most;V:quickly with water of the alkali metals (A) 1(B) 3 (C) 2(D) 4 (E) 0
#2735940
38. The solubility of the salt. The osmotic pressure exhibited by a solution saturated with Mx,Ay, at 25℃ is 1.22 atm. Determine the values of x and y by assuming ideal behavior. (A) x = 1, y=3 (B) x= 27y = 5 (C) x = 1, y= 1 (D) x= 2 y = 3 (E) none of these
#2735941
39. A cucumber is placed in a concentrated salt solution. What is most likely to happen? (A) salt will precipitate out (B) water will flow from the solution to the cucumber (C) salt will flow into the cucumber (D) water will flow from the cucumber to the solution (E) no change will occur
#2735942