Which Complex Ion Possesses the Largest Number of Unpaired Electrons

question 74

Multiple Choice

Which complex ion possesses the largest number of unpaired electrons?

• A) CoCl₄^2-
• B) Cr(NH₃)₆²⁺
• C) Cu(NH₃)₄²⁺
• D) Mn(CN)₆^4-
• E) Fe(H₂O)₆³⁺

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