未分類

13.某氫氯酸水溶液密度為1.096g/mL，重量組成為20.2%，則其重量莫耳濃度 (A) 6.94(B) 6.07(C) 5.54(D)4.18

14.在0,1M的醋酸納水溶液中，以下各物質何者濃度最高？ (A) CH3COONa (B) CH3COO- (C) Na+ ,(D)OH-

15.在錯合物[Co(NH3)5Cl]Cl2中’鈷的氧化數及配位數分別為：(A) 2 和 6(B) 3 和 6(C) 3 和 8(D) 4 和 8

16.對於反應2A+B→ 3C + D ,若3莫耳A與2莫耳B反應可產生4莫爾C,則此反應的產率為： (A) 89% (B) 73%(C) 67%(D)50%

17.對於一自發反應過程，下列何者是必須的條件？ (A) △Hsys<0 (B)△Ssys> 0(C)△Ssurr<0(D)△Suniv> 0

18.下列各化合物在與溴化氫(HBr)的反應速率的快慢是：A. CH3CH2CH2CH2OH B. (CH3)3COH C.CH3CH2CHCH3(A) B<C<A (B)C<B&l

19.在IR光譜 C=0,C=N,C=C雙鍵 ，一般的吸收範圍(absorption region)在：(A) 1500 cm-1 以下(B) 2000-1500cm-1 (C) 3000 - 200

20.在1H-NMR光譜-CHO的信號’,一般出現的化學位移(chemical shift)(δ)為：(A) 1.0-2.0(B)2.0-3.0(C) 4.0-5.0。(D) 9.7-10.0

21.下式反應的產物為:

35. Which of the following cycloalkenes would be expected to be stable? (A) 1 and 2 (B) 2 and 3 (C)

22.以下各物質何者具有最佳的肥皂清潔效應？(A) CH3(CH2)l6CO2H (B) CH3CH2CO2H (C) CH3CH2CO2Na (D) CH3(CH2)16CO2Na

23.下列DNA bases (I-IV)，何者是屬於 Purine base ?Guanine (I) Thymine (II) Cytosine (III) Adenine (IV)(A) I，I

24.利用電泳(electrophoresis)分離純化蛋白質時’有一pl = 4.5之蛋白質以pH = 6.0為緩衝溶液時,此蛋白質是向何方移動？(A)正極(B)負極(C)先正極後負極(D)不移動

25.當以氩氧化鈉水溶滴定一弱酸(0.l0molL-1)水溶液時，其滴定變化圖最類列下列何者所示?

2. What is the name of the major organic product of the following reaction? (A) 3,3-dimethyl-1-butan

36. Which of the following structures is the most important contributor to the resonance hybrid form

26.親核性試劑(nucleophile)與α，β-unsaturatedcarbonyl compound 進行congugated addition，此反應稱為：(A) Robinson reac

27.下列α-aminoacid (氨基酸）化合物中，何者不屬於鹼性氨基酸？(A) Arginine(B) Histidine(C)Lysine(D) Alanine

28.在0.01M的甲酸[formict acid，HCOOH(aq)]水溶液中，下列關係何者正確？(A) [H+(aq)]<[HCOO-(aq)](B) [H+(aq)] > [HCOO

29.關於以下之伏打電池(voltaic cell)),下列敘述何者正確？Zn(s) | Zn2+(aq) || Cr3+(aq)|Cr(s)(A)電子由陰極流向陽極(B)電子由鋅極流向鉻極(C)鉻被

30.下列何者最適合用以製備pH為4.5的緩衝溶液？(A) HOC6H4OCOOH,Ka=1.0✕10-3 (B)C6H4(COOH)2 Ka=2.9✕ 10-4 (C) CH3COOH,Ka=1.8

3. How many diastereomer(s) exist for the compound below? (A) 2 (B) 4 (C) 6 (D) 8 (E) 0

31.一個以鋅及碘構成的伏打電池•如右所示： 下列反應式何 者能正確描述此自發的電池反應？

37. Which series of reactions would best facilitate the following conversion? (A) 1. KMnO4 (aq), 2.

4. Which of the following statements is (are) true for the Diels-Alder reaction?(A) When the diene i

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