Chemistry - Stoichiometry Question with Solution | TestHub

(i) ${\mathrm{K}}_4\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]+3{\mathrm{H}}_2{\mathrm{SO}}_4\to 2{\mathrm{K}}_2{\mathrm{SO}}_4+{\mathrm{FeSO}}_4+6\mathrm{HCN}$

(ii) $6\mathrm{HCN}+12{\mathrm{H}}_2\mathrm{O}\to 6\mathrm{HCOOH}+6{\mathrm{NH}}_3$

(iii) (a) $6{\mathrm{NH}}_3+3{\mathrm{H}}_2{\mathrm{SO}}_4\to 3{\left({\mathrm{NH}}_4\right)}_2{\mathrm{SO}}_4$

(b) 6HCOOH $\stackrel{{\mathrm{H}}_2{\mathrm{SO}}_4}{\to }$ 6CO + $6{\mathrm{H}}_2\mathrm{O}$

Above steps of reactions occur in a container starting with one mole of ${\mathrm{K}}_4\mathrm{Fe}(\mathrm{CN}{)}_6$, 5 mole of${\mathrm{H}}_2{\mathrm{SO}}_4$ and enough water. Among reactions (a) and (b), (a) starts only after completion of (b).