Chemistry - PRACTICAL ORGANIC CHEMISTRY Question with Solution | TestHub

$6\mathrm{NaCN}+{\mathrm{FeSO}}_4⟶{\mathrm{Na}}_4\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]$

${\mathrm{Na}}_4\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]+4{\mathrm{Fe}}^{3+}\stackrel{{\mathrm{xH}}_2\mathrm{O}}{⟶}\underset{\mathrm{Ferric} \mathrm{ferrocyanide} (\mathrm{Prussian} \mathrm{blue} \mathrm{complex})}{{\mathrm{Fe}}_4{\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]}_3.{\mathrm{xH}}_2\mathrm{O}}$