資訊推薦

• 29. 有些陽離子會被玻璃容器吸附，或與其進行離子交換而導致待測物濃度的降低。可以使用下列哪種酸使樣品 pH 降至 2.0 以下，以防止上述的反應發生？ (A)硝酸 (B)鹽酸 (C)磷酸 (D)碳酸
• 22. The compound that can undergo oxidative addition reaction with Cla is: (A) [(η5-C5H5)2Fe],(B) [M
• 23. What are the states (with J values) of 'D term? (A) 3D3,3D2,3D1. (B) 3D2,3D3,3D4. (C) 3P1,
• 24. Which of the following is labile? (A)[(η5-C5H5)2Ru],(B) [Mn(CN6)]3-,(C)[V(H2O)6]2+,(D)[CoF6]3-,o
• 25. [Cu(H2O)6]2+has2D ground state term that splits into two energy levels, the state with lower ene
• 26. For the hexaaqua complexes of Mn(II), Fe(II), Co(Il), Ni(II), Cu(ll), and Zn(II), How many of th
• 30. 以分光光度計\/維生素丙法進行水中磷檢測，水樣以硫酸、過硫酸鹽消化處理，使其中磷轉變為正磷酸鹽形式存在後，再加入鉬酸銨、酒石酸銻鉀，使其與正磷酸鹽作用生成磷鉬酸。下列敘述何者錯誤？ (A)磷
• 25. 使用TOC分析儀對某水樣進行重複分析，二次結果差異甚大不符合品管標準，請問該儀器狀態需進行何種確認？ (A)可用性(Availability) (B)穩定性(Stability) (C)準確性
• 26. 試劑水的品質可由分析得知，若以電阻值進行量測，下列何者是超純水的電阻值要求？ (A)＞ 16 megohm-cm，25℃ (B)＞ 10 megohm-cm，25℃ (C)＞ 1 megohm
• 27. 下列何種檢測項目可使用混合樣品？ (A)pH (B)BOD (C)六價鉻 (D)自由餘氯
• 28. 下列何種檢測項目的樣品應使用玻璃容器盛裝？ (A)農藥 (B)六價鉻 (C)硝酸鹽 (D)總溶解固體
• 29. 為了避免樣品揮發及生物分解，盡量於採樣到分析階段，保持該樣品在低溫狀態， 一般於冰箱內放入足量的冰塊而避免使用乾冰，其原因何者錯誤？ (A)會冷凍樣品 (B)降溫速度太慢 (C)影響樣品的pH
• 30. 以分光光度計\/維生素丙法進行水中磷檢測，下列敘述何者錯誤？ (A)水樣以硫酸、過硫酸鹽消化處理，使其中磷轉變為正磷酸鹽形式存在後，再加入鉬酸銨、酒石酸銻鉀，使其與正磷酸鹽作用生成磷鉬酸 (
• 27. The following statements are given regarding the complex [Ru(PPh3)3CI2] showing an agostic Ru-H-
• 複選題28. Exchange of an H2O ligand on [(CO)3Mn(H2O)3]+is much more rapid than on [(CO)3Re(H2O)3]+. The
• 複選題29. Two well-known complex ions containing Ni are [Ni(H2O)6]2+, which is green, and [Ni(en)3]2+ (
• 複選題30. A complex of dihydrogen, such as [Ir(PiPr3)2Cl3(H2)], is a metal compound with H2 as ligands.
• 複選題31. Consider the two structures A and B, which of the following statements are correct? (A) A is
• 複選題32. For the reaction show below, which of the following statements are correct? Ni0L4+ CO⇌Ni0L3CO
• 複選題33. Which of the following techniques could provide electronic information of a metal complex? (A
• 複選題34. About the atom, which descriptions are correct? (A) J. J. Thomson asserted the plum budding m
• 複選題35. In the Bohr's model of the hydrogen atom, please find the correct explanations. (A) Only
• 複選題36. Louis de Broglie's postulation that a particle has wave-like properties, together with H
• 複選題37. Which options are of Ti2 crystal structures? (A) perovskite (B) rutile (C) wurtzite (D) anata
• 複選題38. Which descriptions below are not correct? (A) In typical, TiO2 is a n-type semiconductor. (B