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

  • question_answer In which of the following reaction hydrogen peroxide is a reducing agent [BHU 1995]

    A) \[2FeC{{l}_{2}}+2HCl+{{H}_{2}}{{O}_{2}}\to 2FeC{{l}_{3}}+2{{H}_{2}}O\]

    B) \[C{{l}_{2}}+{{H}_{2}}{{O}_{2}}\to 2HCl+{{O}_{2}}\]

    C) \[2HI+{{H}_{2}}{{O}_{2}}\to 2{{H}_{2}}O+{{I}_{2}}\]

    D) \[{{H}_{2}}S{{O}_{3}}+{{H}_{2}}{{O}_{2}}\to {{H}_{2}}S{{O}_{4}}+{{H}_{2}}O\]

    Correct Answer: B

    Solution :

    \[\underset{0}{\mathop{C{{l}_{2}}}}\,+{{H}_{2}}{{O}_{2}}\to \underset{-1}{\mathop{2HCl}}\,+{{O}_{2}}\] In this reaction \[{{H}_{2}}{{O}_{2}}\] works as reducing agent

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