RAJASTHAN PMT Rajasthan - PMT Solved Paper-2005

  • question_answer
    The laboratory method for the preparation of\[{{H}_{2}}{{O}_{2}}\]is by:

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

    B) \[N{{H}_{4}}HS{{O}_{4}}\]

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

    D)         all the above

    Correct Answer: C

    Solution :

    In laboratory \[{{H}_{2}}{{O}_{2}}\] is prepared as below by Mercks process              \[N{{a}_{2}}{{O}_{2}}+{{H}_{2}}S{{O}_{4}}\xrightarrow{{}}N{{a}_{2}}S{{O}_{4}}+\underset{\begin{smallmatrix}  Hydrogen \\  peroxide \end{smallmatrix}}{\mathop{{{H}_{2}}{{O}_{2}}}}\,\]


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