Which of the following represents the correct increasing order of the spectrochemical series (field strength) for some common ligands?

  • A
    $I^- < Br^- < S^{2-} < SCN^- < Cl^- < F^- < OH^- < H_2O < NCS^- < EDTA^{4-} < NH_3 < en < CN^- < CO$
  • B
    $Cl^- < F^- < OH^- < H_2O < NH_3 < en < CN^- < CO$
  • C
    $F^- < CN^- < OH^- < Cl^- < H_2O$
  • D
    $Cl^- < F^- < OH^- < H_2O < CN^-$

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