試題詳解

15. The spectrochemical series is
I^- ＜ Br^- ＜ Cl^- ＜ F^- ＜ OH^- ＜ H₂O ＜ NH³ ＜ en ＜ NO₂^- ＜ CN^- Which of the following complexes will absorb visible radiation of the highest energy (shortest wavelength)?
(A) [Co(OH)₆]^3-
(B) [Co(NH₃)₆]³⁺
(C) [Co(I)₆]^3-
(D) [Co(H₂O)₆]³
(E) [Co(en)₃]³⁺