22. Which of the following complexes will absorb visible radiation of the highest energy (shortest wavelength)?
(A) [Co(Br)₆]^3-
(B) [Co(NH₃)₆]³⁺
(C) [Co(I)₆]^3-
(D) [Co(H₂O)₆]³⁺
(E) [Co(CN)₆]^3-

本題觀念：光譜化學序列（spectroc...