Chemistry - s Block Elements Question with Solution | TestHub

${\text{(i) BaO}}_{\text{2}}\text{(s)}\text{+}{\text{H}}_{\text{2}}{\text{SO}}_{\text{4}}\text{(aq)}\to {\text{BaSO}}_{\text{4}}\text{(s)}\downarrow \text{+}{\text{H}}_{\text{2}}{\text{O}}_{\text{2}}\text{(aq)}$
${\text{(ii) PbO}}_{\text{2}}\text{+}{\text{2H}}_{\text{2}}{\text{SO}}_{\text{4}}\to {\text{Pb(SO}}_{\text{4}}\text{)}\text{+}{\text{2H}}_{\text{2}}\text{O}$
${\text{PbO}}_{\text{2}}\text{+}{\text{2H}}_{\text{2}}{\text{SO}}_{\text{4}}\stackrel{\Delta }{\to }{\text{2PbSO}}_{\text{4}}\text{+}{\text{O}}_{\text{2}}\text{+}{\text{2H}}_{\text{2}}\text{O}$

$\to$Electrolysis of$\to {{\text{(NH}}_{\text{4}}\text{)}}_{\text{2}}{\text{ SO}}_{\text{4}}$
(at cathode:-${\text{H}}^{\text{+}}$and${\text{NH}}_{\text{4}}^{\text{+}}$ions attracted
$\to {\text{NH}}_{\text{4}}^{\text{+}}\to {\text{NH}}_{\text{3}\left(\text{g}\right)}\text{+}\stackrel{\oplus }{\text{H}}$
${\text{2H}}^{\text{+}}\text{+}{\text{2e}}^{-}\to {\text{H}}_{\text{2}}$)
(at anode${\text{OH}}^{-}\text{+}{\text{SO}}_{\text{4}}^{-\text{2}}$ions attracted
${\text{4OH}}^{-}\to {\text{O}}_{\text{2}}\text{+}{\text{H}}_{\text{2}}{\text{O}}_{\text{2}}\text{+}{\text{4e}}^{-}$)