2. Solved Papers
  3. Uttarakhand PMT

Uttarakhand PMT Uttarakhand PMT Solved Paper-2006

  • question_answer
    \[{{H}_{2}}{{C}_{2}}{{O}_{4}}+KMn{{O}_{4}}\]in acidic medium reacts to have change in oxidation number of Mn from:

    A)  7 to 5            

    B)  2 to 7

    C)  5 to 7            

    D)  7 to 2

    Correct Answer: D

    Solution :

     In this reaction change in oxidation number is from +7 to + 2. \[\overset{+7}{\mathop{KMn{{O}_{4}}}}\,\xrightarrow[{}]{{}}\overset{+2}{\mathop{M{{n}^{2+}}}}\,\]


You need to login to perform this action.
You will be redirected in 3 sec spinner