(આપેલ : $h =6.63 \times 10^{-34} \,Js$ અને $c =3.08 \times 10^{8} \,ms ^{-1}$ )
$=\frac{6.63 \times 3.08 \times 10^{-17}}{600}$
$=0.034034 \times 10^{-17}$
$=340.34 \times 10^{-21} \,J$
$\Delta_{0}=\frac{9}{4} \Delta_{ t }$
$=\frac{9}{4} \times 340.34 \times 10^{-21}$
$=765.765 \times 10^{-21}\, J$
$\approx 766 \times 10^{-21} \,J$
$(I)\ [Pt(NH_3)_6]Cl_4$
$(II) [Cr(NH_3)_6]Cl_3$
$(III) [Co(NH_3)Cl_2]Cl$
$(IV) K_2[PtCl_6]$
$(1) $ $[Ag(NH_3)_2]^{+}$ - રેખીય
$ (2) $ $[MnCl^4]^{2-}$ - ચતુષ્ફલકીય
$(3) $ $[Cu(NH_3)_4]^{2+}$ - ચોરસ સમતલ
$(4) $ $[Ni(CN)_4]^{2-}$ - ચોરસ સમતલ