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

  • question_answer In lab \[{{H}_{2}}{{O}_{2}}\] is prepared by [CPMT 2002; MH CET 2003; Pb. PMT 2004; BCECE 2005]

    A) Cold \[{{H}_{2}}S{{O}_{4}}+Ba{{O}_{2}}\]

    B) \[HCl+Ba{{O}_{2}}\]

    C) Conc.\[{{H}_{2}}S{{O}_{4}}+N{{a}_{2}}{{O}_{2}}\]

    D) \[{{H}_{2}}+{{O}_{2}}\]

    Correct Answer: A

    Solution :

    \[{{H}_{2}}S{{O}_{4}}+Ba{{O}_{2}}\to BaS{{O}_{4}}+{{H}_{2}}{{O}_{2}}\]

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