Arrange the following complex ions in increasing order of crystal field splitting energy $(\Delta_{0}):$ $[Cr(Cl)_{6}]^{3-}, [Cr(CN)_{6}]^{3-}, [Cr(NH_{3})_{6}]^{3+}$

  • A
    $[Cr(Cl)_{6}]^{3-} < [Cr(NH_{3})_{6}]^{3+} < [Cr(CN)_{6}]^{3-}$
  • B
    $[Cr(CN)_{6}]^{3-} < [Cr(NH_{3})_{6}]^{3+} < [Cr(Cl)_{6}]^{3-}$
  • C
    $[Cr(NH_{3})_{6}]^{3+} < [Cr(Cl)_{6}]^{3-} < [Cr(CN)_{6}]^{3-}$
  • D
    $[Cr(Cl)_{6}]^{3-} < [Cr(CN)_{6}]^{3-} < [Cr(NH_{3})_{6}]^{3+}$

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