Chemistry - Complete Pblock- Question with Solution | TestHub

Both ${\mathrm{MnO}}_2$ and ${\mathrm{KMnO}}_4$ used for the preparation of chlorine by the action of conc. $\mathrm{HCl}$ $$\begin{array}{l}{\mathrm{MnO}}_2+4\mathrm{HCl}\to {\mathrm{MnCl}}_2+2{\mathrm{H}}_2\mathrm{O}+{\mathrm{Cl}}_2\\ 2{\mathrm{KMnO}}_4+16\mathrm{HCl}\to 2\mathrm{KCl}+2{\mathrm{MnCl}}_2\\ +8{\mathrm{H}}_2\mathrm{O}+5{\mathrm{Cl}}_2\end{array}$$ Chlorine is not obtained by dil. $\mathrm{HCl}$ $${\mathrm{Ag}}_2{\mathrm{S}}_2{\mathrm{O}}_3+{\mathrm{H}}_2\mathrm{O}\to {\mathrm{Ag}}_2\mathrm{S}+{\mathrm{H}}_2{\mathrm{SO}}_4$$