(પરમાણ્વીય ક્રમાંક $= Ti : 22,$ $Cr : 24$ અને $Mo : 42$ )
${\Delta _0}$ of ${{[Ti{{({{H}_{2}}O)}_{6}}]}^{3+}}>$ ${\Delta _0}$ of ${{[Ti{{({{H}_{2}}O)}_{6}}]}^{2+}}$ Further ${\Delta _0}$ also depends of $Z_{eff.}$ and $Z_{eff.}$ of $4d$ series is more than $3d$ series.
Hence
${\Delta _0}$ of ${{[Cr{{({{H}_{2}}O)}_{6}}]}^{2+}}<$ ${\Delta _0}$ of $\,{{[Mo{{({{H}_{2}}O)}_{6}}]}^{2+}}$