0.32 gram of  ${\mathrm{N}}_2{\mathrm{H}}_4$ was oxidised by 100 mL, 0.1 M ${\mathrm{KIO}}_3$ in conc. HCl  where ${\mathrm{N}}_2{\mathrm{H}}_4$ in converted to  ${\mathrm{N}}_2$.

Possible conversion of ${\mathrm{KIO}}_3$ is: