Which of the following arrangements does not represent the correct order of the property stated against it?

  • A
    $V^{2+} < Cr^{2+} < Mn^{2+} < Fe^{2+}$ : paramagnetic behaviour
  • B
    $Ni^{2+} < Co^{2+} < Fe^{2+} < Mn^{2+}$ : ionic size
  • C
    $Co^{3+} < Fe^{3+} < Cr^{3+} < Sc^{3+}$ : stability in aqueous solution
  • D
    $Sc < Ti < Cr < Mn$ : number of oxidation states

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