$(I)\, [CrCl_2(NO_2)_2(NH_3)_2]^-$ $(II)\, [Co(NO_2)_3(NH_3)_3]$
$(III)\, [PtCl(NO_2)(NH_3 )(py)]$ $(IV)\, [PtBrCl(en)]$
$(I)\,\,\,-\,\,\,(II)\,\,\,-\,\,\,(III)\,\,\,-\,\,\,(IV)$

........ રજૂ કરે છે.
$(a)$ $\left( NH _{4}\right)_{2}\left[ Ce \left( NO _{3}\right)_{6}\right]$
$(b)$ $Gd \left( NO _{3}\right)_{3}$ અને
$(c)$ $Eu \left( NO _{3}\right)_{3}$
| સૂચિ $I$ (Complexes) | સૂચિ $II$ (Hybridisation) |
| $A$ $\left[ Ni ( CO )_4\right]$ | $I$ $sp ^3$ |
| $B$ $\left[ Cu \left( NH _3\right)_4\right]^{2+}$ | $II$ $dsp^2$ |
| $C$ $\left[ Fe \left( NH _3\right)_6\right]^{2+}$ | $III$ $sp^3d^2$ |
| $D$ $\left[ Fe \left( H _2 O \right)_6\right]^{2+}$ | $IV$ $d^2sp^3$ |
નીચે આપેલા વિકલ્પોમાંથી સાચો જવાબ પસંદ કરો.