(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 $\,{{[Mo{{({{H}_{2}}O)}_{6}}]}^{2+}}$
$1.$ $[Co(NH_3)_5NO_2]Cl_2$ અને $[Co(NH_3)_5ONO]Cl_2$ $-$ બંધનીય
$2.$ $[Cu(NH_3)_4] [PtCl_4]$ અને $[Pt(NH_3)_4] [CuCl_4]$ $-$ સવર્ગ
$3.$ $[Pt(NH_3)_4Cl_2]Br_2$ અને $[Pt(NH_3)_4Br_2]Cl_2$ $-$ આયનીકારક
$1.$ $[Co(NH_3)_5NO_2]Cl_2$ અને $[Co(NH_3)_5ONO]Cl_2$ $-$ બંધનીય
$2.$ $[Cu(NH_3)_4] [PtCl_4]$ અને $[Pt(NH_3)_4] [CuCl_4]$ $-$ સવર્ગ
$3.$ $[Pt(NH_3)_4Cl_2]Br_2$ અને $[Pt(NH_3)_4Br_2]Cl_2$ $-$ આયનીકારક