阿摩線上測驗
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試卷名稱：113年 - 113 台灣聯合大學系統_碩士班招生考試試題_化學類：無機化學#122281
年份：113年
科目：研究所、轉學考(插大)◆無機化學
27. The following statements are given regarding the complex [Ru(PPh3)3CI2] showing an
agostic Ru-H-C interaction (structure shown on the right).
I. This complex is an 1 8-electron species.
ll. The 1H NMR shift of Ru-H-C shows in upfield region as compared to other protons.
Ⅲ. The agostic C-H bonds shows vcH that shifts to lower wavenum ber as compared to
other C-H bonds.
IV. Increased acidity observed for the agostic C-H proton.
How many of these statements are true:
(A) 0,
(B) 1,
(C) 2,
(D) 3, or
(E) 4
