Manipal Medical Manipal Medical Solved Paper-2015

  • question_answer
    \[{{K}_{2}}Mn{{O}_{4}}\] on heating gives

    A) \[{{K}_{2}}Mn{{O}_{4}},\,M{{n}_{2}}{{O}_{3}}\]

    B) \[{{K}_{2}}Mn{{O}_{4}},\,MnO,{{O}_{2}}\]

    C) \[{{K}_{2}}Mn{{O}_{4}},\,Mn{{O}_{2}},{{O}_{2}}\]

    D) \[{{K}_{2}}Mn{{O}_{4}},\,Mn{{O}_{2}},{{O}_{3}}\]

    Correct Answer: C

    Solution :

    \[2KMn{{O}_{4}}\xrightarrow{\Delta }{{K}_{2}}Mn{{O}_{4}}+Mn{{O}_{2}}+{{O}_{2}}\]


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