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

  • A
    $2, 3, 3$
  • B
    $6, 6, 4$
  • C
    $6, 3, 3$
  • D
    $6, 4, 6$

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