Hydrogen Question 2

Question 2 - 24 January - Shift 2

In which of the following reactions the hydrogen peroxide acts as a reducing agent?

(1) $PbS+4 H_2 O_2 \to PbSO_4+4 H_2 O$

(2) $2 Fe^{2+}+H_2 O_2 \to 2 Fe^{3+}+2 OH^{-}$

(3) $HOCl+H_2 O_2 \to H_3 O^{+}+Cl^{-}+O_2$

(4) $Mn^{2+}+H_2 O_2 \to Mn^{4+}+2 OH^{-}$

Show Answer

Answer: (3)

Solution: