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

question 76

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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