JEE Main & Advanced Chemistry Hydrogen & Its Compounds Question Bank Hydrogen peroxide

  • question_answer In which of the following reactions, \[{{H}_{2}}{{O}_{2}}\] acts as a reducing agent [EAMCET 2001]

    A) \[Pb{{O}_{2}}(s)+{{H}_{2}}{{O}_{2}}(aq)\to PbO(s)+{{H}_{2}}O(l)+{{O}_{2}}(g)\]

    B) \[N{{a}_{2}}S{{O}_{3}}(aq)+{{H}_{2}}{{O}_{2}}(aq)\to N{{a}_{2}}S{{O}_{4}}(aq)+{{H}_{2}}O(l)\]

    C) \[2Kl(aq)+{{H}_{2}}{{O}_{2}}(aq)\to 2KOH(aq)+{{I}_{2}}(s)\]

    D) \[KN{{O}_{2}}(aq)+{{H}_{2}}{{O}_{2}}(aq)\to KN{{O}_{3}}(aq)+{{H}_{2}}O(l)\]

    Correct Answer: A

    Solution :

    In the following reaction \[{{H}_{2}}{{O}_{2}}\] acts as a reducing agent. \[Pb{{O}_{2}}(s)+{{H}_{2}}{{O}_{2}}(aq)\to PbO(s)+{{H}_{2}}O(l)+{{O}_{2}}(g)\]

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