RAJASTHAN ­ PET Rajasthan PET Solved Paper-2002

  • question_answer
    \[{{K}_{2}}Mn{{O}_{4}}\]reacts with\[{{O}_{3}}\]to form

    A)  \[KMn{{O}_{4}}\]         

    B)  \[Mn{{(OH)}_{2}}\]

    C)  \[Mn{{O}_{2}}\]           

    D)  None of these

    Correct Answer: A

    Solution :

     Ozone\[({{O}_{3}})\]is oxidising agent, it oxidises magnate ions to permagnate. \[2{{K}_{2}}Mn{{O}_{4}}+{{H}_{2}}O+{{O}_{3}}\xrightarrow[{}]{{}}\] \[KMn{{O}_{4}}+2KOH+{{O}_{2}}\]


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