Which Complex Below Has 2 Unpaired Electrons

question 18

Multiple Choice

Which complex below has 2 unpaired electrons?

• A) square- planar [Ni(CN)₄]^2-
• B) tetrahedral [CoCl₄]^2-
• C) octahedral [Ni(NH₃)₆]²⁺
• D) low- spin octahedral [Fe(CN)₆]^3-
• E) tetrahedral [FeI₄]^2-

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