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Question
Give the electronic configuration of the following complexes on the basis of Crystal Field Splitting theory.
\[\ce{[CoF6]^{3-}, [Fe(CN)6]^{4-} and [Cu(NH3)6]^{2+}}\].
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Solution
\[\ce{[CoF6]^{3-} : Co^{3+} (d^6)}\]
\[\ce{[Fe(CN)6]^{4-} : Fe^{2+} (d)^6}\]
\[\ce{[Cu(NH3)6]^{2+} : Cu^{2+} (d^9)}\]
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