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

  • question_answer
    In which of the following processes, platinum is used as a catalyst            [NCERT 1978, 79]

    A)                 Oxidation of ammonia to form nitric acid

    B)                 Hardening of oils

    C)                 Production of synthetic rubber

    D)                 Synthesis of methanol

    Correct Answer: A

    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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