Identify the homoleptic complexes with odd number of d electrons in the central metal :
(A) $[FeO_{4}]^{2 -}$
(B) $[Fe (CN)_{6}]^{3 -}$
(C) $[Fe (CN)_{5} NO]^{2 -}$
(D) $[CoCl_{4}]^{2 -}$
(E) $[Co (H_{2} O)_{3} F_{3}]$

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(A) [ FeO 4 ​ ] 2 − ⇒ Fe 6 + = 3 d 2 (B) [ Fe ( CN ) 8 ​ ] 3 − ⇒ Fe 3 + = 3 d 5 (C) [ Fe ( CN ) 5 ​ NO ] 2 − ⇒ Fe 2 + = 3 d 6 (D) [ CoCl 4 ] 2 − ⇒ Co 2 + = 3 d 7 (E) [ Co ( H 2 ​ O ) 3 ​ F 3 ​ ] ⇒ Co 3 + = 3 d 6 (B) and (D) are homoleptic complex having odd no. of d electrons.

Chemistry - Coordination Chemistry Question with Solution | TestHub

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