Hydrogen peroxide acts both as an oxidising and as a reducing agent in alkaline solution towards certain first row transition metal ions. Illustrate both these properties of H₂O₂ using chemical equations.

Give reactions for the oxidation of hydrogen peroxide with potassium permanganate in acidic medium.

Give reasons of the following:
Hydrogen peroxide acts as an oxidising as well as a reducing agent.

Give reasons of the following:
Hydrogen peroxide is a better oxidising agent than water.