未分類 19 - 題庫堂

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12. What major product would be obtained from following reaction?

13. What major product would be obtained from following reaction? ?

14. What major product would be obtained from following reaction? ?

15. How many orbitals have the following quantum numbers: n = 3, l = 2, ml = -2? (A) 1 (B) 3 (C) 5

16. What major product would be obtained from following reaction? ?

17. What major product would be obtained from following reaction? ?

18. What major product would be obtained from following reaction? ?

19. What final product would be obtained from following sequential reactions? ?

2. 有一個化學反應，其反應方程式為 BrO3－(aq) + 5Br－(aq) + 6H+(aq) → 3Br2 (l) + 3H2O(l)此化學反應的反應速率和反應物的濃度關係如下：若反應速率式

3. 可以用量子數 n = 4、l = 3、ms = –1/2 來描述的電子有幾個？(A) 0 (B) 1 (C) 5 (D) 7 (E) 10

4. 由三種不同胺基酸組成的三胜肽(tripeptide)，有幾種可能的序列(sequence)？(A) 1 (B) 2 (C) 3 (D) 5 (E) 6

20. What final product would be obtained from following reaction? ?

21. Which one is the correct IUPAC name for the following compound? (A) (E)-3,3-Dimethyl-4-propyloc

22. What major product would be obtained from following reaction?

5. 電解硫酸銅溶液時，要析出 a 克的銅需要 b 庫侖電量，若 1 個電子之電量為 d 庫侖，且銅之原子量為 c 克/莫耳，則下列何者為亞佛加厥數之計算式？(A) (B) (C) (D) (E)

6. 關於鉛蓄電池放電的過程，下列敘述何者正確？(A) 陰極反應為 Pb(s) + HSO4－(aq) → PbSO4(s) + H+(aq)+2e－(B) 陽極反應為 PbO2(s) + 3H+(a

7. 請用分子軌域模型(molecular orbital model)預測 O2+及 O2－離子的鍵級(bond order)分別為(A) 1，1.5 (B) 1.5，2 (C) 1.5，2.5 (

8. 在 25℃，有一罐裝汽水，汽水上方 CO2 的壓力為 6 atm，若 CO2 的亨利定律常數為3 × 10‒2mol/L．atm，且大氣中 CO2 的壓力為 4 × 10‒4atm，請計算汽水開

9. 有一個化學反應，反應到達平衡時，在定壓的狀況下，突然降低溫度，反應速率趨勢圖如圖一所示；反應到達平衡時，在定溫的狀況下，突然增加壓力，反應速率趨勢圖如圖二所示。圖一圖二可知此反應為下列何者

10. 將 0.5 莫耳非揮發且不會解離的溶質溶解在 3 莫耳的溶劑中，請問此溶液的蒸氣壓與純溶劑的蒸氣壓之比為何？(A) 1:3 (B) 1:7 (C) 2:3 (D) 5:6 (E) 6:7

11. 取 5.6 克鐵礦溶於濃鹽酸中，然後在溶液中加入 NH3，此時溶液中的 Fe3+會產生三氧化二鐵(Fe2O3)沉澱，經過過濾、清洗及烘乾，三氧化二鐵的重量為 1.6 克。若鐵礦中，鐵以四氧化三

12. U-238 原子核經過 _______次α衰變及 6 次β衰變後，生成 Pb-206 原子核。(A) 2 (B) 4 (C) 6 (D) 8 (E) 10

23. What final product would be obtained from following reaction? ?

24. Which statements describe the bonding in the water molecule? 1. polar covalent 2. π bond 3. s

25. In the following SN2 reaction which one would be predicted to be the fastest? (A) H2O + CH3Br →

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