未分類

44. Identify the reagents and products of the following transformation: (A) (B) (C) (D)

45. 下列化合物依照水中溶解度的增加排列為何？I. CH3–CH2–CH2–CH3 II. CH3–CH2–O–CH2–CH3III. CH3–CH2–OH IV. CH3–OH(A) I＜

37. 下側反應可生成的主要產物為何？ (A) (B) (C) (D) (E)

46. 下列哪個配位化合物是逆磁性(diamagnetic)？(A) (B) (C) (D)

57. The focal length of a spherical, concave mirror is 8 cm. An object is placed at a distance of 24

47. 下列不屬於帶電物質的是？(A) α 粒子 (B) β 粒子 (C) γ 粒子 (D) 以上均非

48. NaI 的晶格能(lattice energy)為–686 kJ/mol，溶解熱(heat of solution)為–7.6 kJ/mol。以 kJ/mol 為單位計算 NaI(s) 的水合

49. 下列那個是最好的還原劑？ (A) (B) Mg (C) H2 (D) Cl2

45. Predict the products of the following reaction: (A) (B) (C) (D)

38. 下列由高至低排列分子氫化熱(heat of hydrogenation)的順序何者正確？ (A) I ＞ II ＞ III ＞ IV (B) III ＞ IV ＞ I ＞ II (C) II

50. 計算 5.00 莫耳的單原子理想氣體在定壓下由 135℃冷卻到 85℃時的熵值差(entropy change)為何(J/K)？(ln0.877 = –0.131)(A) –8.16 (B)

39. 下列各反應中所預期的主要產物何者錯誤？(A) (B)(C) (D) (E)

58. In a lecture demonstration of single-slit diffraction, a laser beam of wavelengthλ passesthrough

46. Predict the product of the following reaction: (A) (B) (C) (D)

40. 下側反應條件為何？ (A) i) NH2NH2 / H⁺； ii) KOH / heat (B) i) NaH； ii) SOCl2(C) Zn, NaOH, H2O (D) TMSCl /

59. An AC voltage source is connected to a capacitor. There is a phase difference between the voltag

60. MRI machine probes the concentration distribution of water molecules by detecting the magneticre

47. Identify the reagents of the following transformation: (A) (B) (C) (D)

61. When a certain atom emits a photon of light at 232 nm, what is the frequency of this light?(A) (

48. Which compound can not undergo an E2 reaction ?(A) (B) (C) (D)

42. 下側化合物中標示的質子酸性由高至低排列的順序何者正確？ (A) III ＞ II ＞ I ＞ IV (B) IV ＞ I ＞ II ＞ III (C) III ＞ IV ＞ II ＞ I(D)

62. Given a cylinder of fixed volume filled with 1 mol of argon gas, which of the following is corre

63. Which of the following statements is true?(A) The energy of electromagnetic radiation increases

64. What is the hybridization of the central carbon atom of allene (H2C=C=CH2)?(A) sp (B) sp2(C) sp3

65. How many of the following molecules have all of their atoms in the same plane?H2C=CH2, H2C=C=CH2

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