Which of the following does not represent the stated property?

Question

$Co^{2+} < Fe^{2+} < Mn^{2+}$ - Ionic size

$Ti < V < Mn$ - Number of oxidation states

$Cr^{2+} < Mn^{2+} < Fe^{2+}$ - Paramagnetic behaviour

$Sc > Cr > Fe$ - Density

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