Chemistry - Complete P-block Question with Solution | TestHub

$\mathrm{C}\mathrm{a}{\mathrm{F}}_2+\underset{\mathrm{c}\mathrm{o}\mathrm{n}\mathrm{c}.}{{\mathrm{H}}_2\mathrm{S}{\mathrm{O}}_4}\to \mathrm{C}\mathrm{a}\mathrm{S}{\mathrm{O}}_4+{\mathrm{H}}_2{\mathrm{F}}_2$

$\mathrm{S}\mathrm{i}{\mathrm{O}}_2+2{\mathrm{H}}_2{\mathrm{F}}_2\to \mathrm{S}\mathrm{i}{\mathrm{F}}_4+2{\mathrm{H}}_2\mathrm{O}$

${\text{3SiF}}_{\text{4}}\text{+}{\text{3H}}_{\text{2}}\text{O}\to \underset{\begin{array}{c}\text{Silicic}\text{acid}\\ \text{(Gelatinous}\text{mass)}\end{array}}{{\text{H}}_{\text{2}}{\text{SiO}}_{\text{3}}}\text{+}\underset{\begin{array}{c}\text{(Hydrofluoro}\\ \text{silicic acid)}\end{array}}{{\text{2H}}_{\text{2}}{\text{SiF}}_{\text{6}}}$