Which Complex Ion Possesses the Largest Number of Unpaired Electrons

question 16

Multiple Choice

Which complex ion possesses the largest number of unpaired electrons?

• A)[CoCl₄]^2-
• B)[Cr(NH₃)₆]²⁺
• C)[Cu(NH₃)₄]²⁺
• D)[Mn(CN)₆]^4-
• E)[Fe(H₂O)₆]³⁺

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