BCECE Engineering BCECE Engineering Solved Paper-2005

  • question_answer
    \[{{H}_{2}}{{O}_{2}}\]is formed by which of the following compounds?                  

    A) \[N{{a}_{2}}{{O}_{2}}\]                 

    B) \[NaOH\]

    C) \[N{{a}_{2}}O\]

    D)        \[K{{O}_{2}}\]

    Correct Answer: A

    Solution :

    \[N{{a}_{2}}{{O}_{2}}+{{H}_{2}}S{{O}_{4}}\xrightarrow{ice\,cold}N{{a}_{2}}S{{O}_{4}}+{{H}_{2}}{{O}_{2}}\]  \[\therefore \]\[{{H}_{2}}{{O}_{2}}\]is formed by reaction \[N{{a}_{2}}{{O}_{2}}\] (oxone) on dil \[{{H}_{2}}S{{O}_{4}}.\]


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