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MGIMS WARDHA MGIMS WARDHA Solved Paper-2003

  • question_answer
    What is 'A' in the following reaction? \[2F{{e}^{3+}}(aq)+S{{n}^{2+}}(aq)\xrightarrow{{}}2F{{e}^{2+}}(aq)+A\]

    A)  \[S{{n}^{3+}}(aq)\]                        

    B)  \[S{{n}^{4}}+(aq)\]

    C)   \[S{{n}^{2+}}(aq)\]                       

    D) \[Sn\]

    Correct Answer: B

    Solution :

                     This is a redox reaction, in which\[S{{n}^{2+}}\]is oxidised to\[S{{n}^{4+}}\] \[2F{{e}^{3+}}(aq)+S{{n}^{2+}}(aq)\to 2F{{e}^{2+}}(aq)+S{{n}^{4+}}(aq)\]


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