Chemistry - Complete s-block Question with Solution | TestHub

$\mathrm{K}{\mathrm{O}}_2$is paramagnetic and contains 55% of K.
$\mathrm{K}{\mathrm{O}}_2+{\mathrm{H}}_2\mathrm{S}{\mathrm{O}}_4\to {\mathrm{K}}_2\mathrm{S}{\mathrm{O}}_4+{\mathrm{O}}_3+{\mathrm{H}}_2\mathrm{O}$
${\text{BaCl}}_{\text{2}}\text{+}{\text{K}}_{\text{2}}{\text{SO}}_{\text{4}}\to \underset{\text{white}\text{ppt}\text{.}}{{\text{BaSO}}_{\text{4}}}\text{+}\text{2}\text{KCl}$