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DUMET Medical DUMET Medical Solved Paper-2007

  • question_answer
    In the reaction \[10_{3}^{-}+S{{O}_{2}}+4{{H}_{2}}O\xrightarrow{{}}{{I}_{2}}+SO_{4}^{2-}+8{{H}^{+}}\] The coefficient of \[S{{O}_{2}}\] is

    A)  three          

    B)  four

    C)  five             

    D)  six

    Correct Answer: C

    Solution :

    \[2IO_{3}^{-}+5S{{O}_{2}}+4{{H}_{2}}O\xrightarrow{{}}{{I}_{2}}+5SO_{4}^{2-}+8{{H}^{-}}\] The coefficient of \[S{{O}_{2}}\] is five.


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