Chemistry - Redox Reactions Question with Solution | TestHub

${\mathrm{As}}_2{\mathrm{O}}_3$ is oxidised to ${\mathrm{H}}_3{\mathrm{AsO}}_4$ by ${\mathrm{KMnO}}_4$ in acidic medium. Volume of $0.02\mathrm{M}{\mathrm{KMnO}}_4$ required for this purpose by 1 mmol of ${\mathrm{As}}_2{\mathrm{O}}_3$ will be