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  3. WB JEE Medical

WB JEE Medical WB JEE Medical Solved Paper-2006

  • question_answer
    In Me Arthur forest method, silver is  extracted from the solution of \[Na[Ag{{(CN)}_{2}}]\] by the use of:

    A)  Fe                                         

    B)  Mg

    C)  Cu                                         

    D)  Zn

    Correct Answer: D

    Solution :

                     In Me Arthur Forest method silver is extracted from the solution of sodium agenticyanide by using zinc. \[2Na[Ag{{(CN)}_{2}}]+Zn\to N{{a}_{2}}\]\[[Zn{{(CN)}_{4}}]+2Ag\downarrow \]


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