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NEET Sample Paper NEET Sample Test Paper-5

  • question_answer
    Which among the following will convert permanganate ion \[\left( MnO_{4}^{-} \right)\] to manganous \[\left( M{{n}^{2+}} \right)\] ion?

    A)  \[PbC{{l}_{4}}\]                  

    B)  Cone. \[HCl\]                             

    C)  \[CrC{{l}_{3}}\]                  

    D)  Cone. \[{{H}_{2}}S{{O}_{4}}\]

    Correct Answer: B

    Solution :

    Cone. \[HCl\] will convert permanganate ion \[\left( MnO_{4}^{-} \right)\] to manganous \[\left( M{{n}^{2+}} \right)\] ion. \[2KMn{{O}_{4}}+16HCl\xrightarrow{{}}2KCl+MnC{{l}_{2}}+8{{H}_{2}}O+5C{{l}_{2}}\]


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