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J & K CET Medical J & K - CET Medical 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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