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J & K CET Engineering J and K - CET Engineering Solved Paper-2011

  • question_answer
    The metal used to recover copper from a solution of copper sulphate is

    A)  Na             

    B)  Fe

    C)  Hg             

    D)  Ag

    Correct Answer: B

    Solution :

     Iron (Fe) is more reactive than copper (Cu), hence iron can displaced copper from copper sulphate solution. \[CuS{{O}_{4}}(aq)+Fe(s)\xrightarrow{{}}FeS{{O}_{4}}(aq)+Cu(s)\]


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