$Cr ^{3+}=62\,pm$ radius
$Mn ^{+3}=65\, pm$ radius
$Fe ^{+3}=65\, pm$ radius
So, $Cr ^{3+}$ has highest tendency to attract ligand.
$(i)\, Pt(SCN)_2 · 3PEt_3$
$(ii)\, CoBr · SO_4 · 5NH_3$
$(iii)\, FeCl_3 · 6H_2O$
સૂચી $-I$ | સૂચી $-II$ |
$A.$ $\mathrm{K}_2\left[\mathrm{Ni}(\mathrm{CN})_4\right]$ | $I$ $\mathrm{sp}^3$ |
$B.$ $\left[\mathrm{Ni}(\mathrm{CO})_4\right]$ | $II$ $\mathrm{sp}^3 \mathrm{~d}^2$ |
$C.$ $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right] \mathrm{Cl}_3$ | $III$ $\mathrm{dsp}^2$ |
$D.$ $\mathrm{Na}_3\left[\mathrm{CoF}_6\right]$ | $IV$ $\mathrm{d}^2 \mathrm{sp}^3$ |
નીચે આપેલા વિકલ્પોમાંથી સાચો જવાબ પસંદ કરો: