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NEET Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Self Evaluation Test - Surface Chemistry

  • question_answer
    When \[KCl{{O}_{3}}\] is heated, it decomposes into \[KCl+{{O}_{2}}\]. If some \[Mn{{O}_{2}}\] is added, the reaction goes much faster because

    A) \[Mn{{O}_{2}}\] decomposes to give \[{{O}_{2}}\]

    B) \[Mn{{O}_{2}}\] provides heat by reacting

    C) better contact is provided by \[Mn{{O}_{2}}\]

    D) \[Mn{{O}_{2}}\] acts as a catalyst

    Correct Answer: D

    Solution :

    [d] \[2KCl{{O}_{3}}\xrightarrow{Mn{{O}_{2}}}2KCl+3{{O}_{2}}\]


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