JEE Main & Advanced Sample Paper JEE Main Sample Paper-14

  • question_answer
    Which of the following cannot be oxidized by \[{{H}_{2}}{{O}_{2}}\] ?

    A)  \[Kl+HCl\]                          

    B)  \[{{O}_{3}}\]

    C)  \[PbS\]                               

    D)  \[N{{a}_{2}}S{{O}_{3}}\]

    Correct Answer: B

    Solution :

     \[{{O}_{3}}\] is more powerful oxidising agent than \[{{H}_{2}}{{O}_{2}}\], So, \[{{H}_{2}}{{O}_{2}}\] reduces \[{{O}_{3}}\] to \[{{O}_{2}}\]  \[{{O}_{3}}+{{H}_{2}}{{O}_{2}}\xrightarrow{\,}\,{{H}_{2}}O+2{{O}_{2}}\]

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