(i) size of \(\mathrm{Cl}^{-}\) is large so it cannot accommodate around \(\mathrm{Si}^{+4}\) due to limitation of slze
(ii) Interaction between lone pair of chloride lon and \(\mathrm{Si}^{+4}\) is not very strong
પરમાણુ ભાર : $Mn = 25,\,Fe = 26,\,Co = 27,\,Ni = 28$
$(I)\, [Ma_3b_2c]^{n \pm}\,\,\, (II)\, [M(AB)_3]^{n \pm}\,\,\, (III)\, [Ma_2b_2c_2]^{n \pm}$
$(I)\,\,\,-\,\,\,(II)\,\,\,-\,\,\,(III)$
