<P> In acidic solutions Fe is oxidized to Fe (hydrogen peroxide acting as an oxidizing agent): </P> <Dl> <Dd> 2 Fe (aq) + H O + 2 H (aq) → 2 Fe (aq) + 2 H O (l) </Dd> </Dl> <Dd> 2 Fe (aq) + H O + 2 H (aq) → 2 Fe (aq) + 2 H O (l) </Dd> <P> and sulfite (SO) is oxidized to sulfate (SO). However, potassium permanganate is reduced to Mn by acidic H O . Under alkaline conditions, however, some of these reactions reverse; for example, Mn is oxidized to Mn (as MnO). </P>

Where does hydrogen peroxide in the body come from