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29. Two well-known complex ions containing Ni are [Ni(H2O)6]2+, which is green, and [Ni(en)3]2+ (en = ethylenediamine), which is purple. Which of these statements are true?
(A) The green complex absorbs green light.
(B) The reaction of [Ni(H2O)6]2+with excess of en should afford [Ni(en)3]2+.
(C) Both complex ions are paramagnetic.
(D) Both complex ions are 18-electron species.
(E) The crystal field splitting energy is smaller for [Ni(en)3]2+ than for [Ni(H2O)6]2+



29. Two well-known complex ions containi..-阿摩線上測驗