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JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Catalyst and Catalysis

  • question_answer
    In the Ostwald's process for the manufacture of \[HN{{O}_{3}}\], the catalyst used is     [AMU 1982, 83; MP PET 1999]

    A)                 \[Mo\]

    B)                 \[Fe\]

    C)                 \[Ni\]   

    D)                 \[Pt\]

    Correct Answer: D

    Solution :

    \[4N{{H}_{3}}+5{{O}_{2}}\underset{1100K}{\mathop{\xrightarrow{Pt\,\,guage}}}\,4NO\xrightarrow{{{O}_{2}}}4N{{O}_{2}}\]                                                                            \[\xrightarrow{2{{H}_{2}}O+{{O}_{2}}}4HN{{O}_{3}}\]


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