Which of the Following Complex Ions Has the Smallest D-Orbital

question 5

Multiple Choice

Which of the following complex ions has the smallest d-orbital splitting energy?

• A) [CoCl₄]^2-
• B) [CoCl₆]^4-
• C) [Co(NH₃)₆]²⁺
• D) [Co(OH₂)₆]²⁺
• E) [Co(CN)₆]^4-

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