試題詳解

83. Two complex ions containing Ni are , which is blue, and , which is purple.
Which one of these statements is correct? (en = H₂N–CH₂–CH₂–NH₂)
(A) The wavelength of the light absorbed by is greater than the wavelength absorbed
by .
(B) The energy of the photon absorbed by [Ni(en)3]2+ is greater than that absorbed by
.
(C) Both complex ions are diamagnetic.
(D) absorbs light in the violet region of the spectrum.

(E) The crystal field splitting energy () is greater for than for .