Chemistry - Complete Pblock- Question with Solution | TestHub

${\mathrm{SnO}}_2$ reacts with acids as well as bases to form corresponding salts. So it is an amphoteric oxide. $$\begin{array}{l}{\mathrm{SnO}}_2+4\mathrm{HCl}\to {\mathrm{SnCl}}_4+2{\mathrm{H}}_2\mathrm{O}\\ {\mathrm{SnO}}_2+2\mathrm{NaOH}\to \underset{\text{ sod.stannate }}{{\mathrm{Na}}_2{\mathrm{SnO}}_3}+{\mathrm{H}}_2\mathrm{O}\end{array}$$