The coordination numbers of Fe in the complex | vedclass

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(B) The coordination number is defined as the number of ligand donor atoms to which the metal is directly bonded.In $[Fe(CN)_6]^{4-}$,there are $6$ $C

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$6, 6, 4$

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(B) The coordination number is defined as the number of ligand donor atoms to which the metal is directly bonded.In $[Fe(CN)_6]^{4-}$,there are $6$ $CN^-$ ligands,so the coordination number is $6$.In $[Fe(CN)_6]^{3-}$,there are $6$ $CN^-$ ligands,so the coordination number is $6$.In $[FeCl_4]^{-}$,there are $4$ $Cl^-$ ligands,so the coordination number is $4$.Therefore,the coordination numbers are $6, 6, 4$.

Formula of the complexes	Moles of $AgCl$ precipitated per mole of complex
$(I) \ CoCl_3 \cdot 6 H_2O$	$3$
$(II) \ NiCl_3 \cdot 6 H_2O$	$2$
$(III) \ Co(SO_4)Br \cdot 5 NH_3$	$1$

The coordination numbers of $Fe$ in the complexes $[Fe(CN)_6]^{4-}$,$[Fe(CN)_6]^{3-}$,and $[FeCl_4]^{-}$ are respectively:

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