Which one of the following reactions represents the oxidising property of H₂O₂?

• A

  $2{\mathrm{KMnO}}_4+3{\mathrm{H}}_2{\mathrm{SO}}_4+5{\mathrm{H}}_2{\mathrm{O}}_2⟶{\mathrm{K}}_2{\mathrm{SO}}_4+2{\mathrm{MnSO}}_4+8{\mathrm{H}}_2\mathrm{O}+5{\mathrm{O}}_2$

• B

  $2{\mathrm{K}}_3\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]+2\mathrm{KOH}+{\mathrm{H}}_2{\mathrm{O}}_2⟶2{\mathrm{K}}_4\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]+2{\mathrm{H}}_2\mathrm{O}+{\mathrm{O}}_2$

• C

  ${\mathrm{PbO}}_2+{\mathrm{H}}_2{\mathrm{O}}_2⟶\mathrm{PbO}+{\mathrm{H}}_2\mathrm{O}+{\mathrm{O}}_2$

• D

  $2\mathrm{KI}+{\mathrm{H}}_2{\mathrm{SO}}_4+{\mathrm{H}}_2{\mathrm{O}}_2⟶{\mathrm{K}}_2{\mathrm{SO}}_4+{\mathrm{I}}_2+2{\mathrm{H}}_2\mathrm{O}$