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

  • question_answer
    In the reaction \[2S{{O}_{2}}+{{O}_{2}}\underset{A{{s}_{2}}{{O}_{3}}}{\mathop{\xrightarrow{Pt}}}\,2S{{O}_{3}}\], \[A{{s}_{2}}{{O}_{3}}\] acts as a [MP PET 1995]

    A)                 Autocatalyst      

    B)                 Poison

    C)                 Promotor           

    D)                 Positive catalyst

    Correct Answer: B

    Solution :

      \[2S{{O}_{2}}+{{O}_{2}}\underset{A{{s}_{2}}{{O}_{3}}(poison)}{\mathop{\xrightarrow{Pt(Catalyst)}}}\,2S{{O}_{3}}\]


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