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## QuestionChemistryClass 12

In which of the following reactions, hydrogen peroxide acts as an oxidizing agent ?
(A) $${H}{O}{C}{I}+{H}_{{{2}}}{O}_{{{2}}}\to{H}_{{{3}}}{O}^{{+}}+{C}{I}^{{-}}+{O}_{{{2}}}$$
(B) $${I}_{{{2}}}+{H}_{{{2}}}{O}_{{{2}}}+{2}{O}{H}^{{-}}\to{2}{I}^{{-}}+{2}{H}_{{{2}}}{O}+{O}_{{{2}}}$$
(C) $${P}{b}{S}+{4}{H}_{{{2}}}{O}_{{{2}}}\to{P}{b}{S}{O}_{{{4}}}+{4}{H}_{{{2}}}{O}$$
(D) $${2}{M}{n}{{O}_{{{4}}}^{{-}}}+{3}{H}_{{{2}}}{O}_{{{2}}}\to{2}{M}{n}{O}_{{{2}}}+{3}{O}_{{{2}}}+{2}{H}_{{{2}}}{O}+{2}{O}{H}^{{-}}$$