JEE Main & Advanced Chemistry Metallurgy / धातुकर्म Question Bank Concentration

  • question_answer
    Cyanide process is used in the extraction of [DCE 2002, 03]

    A) \[Au\]

    B) Ag

    C) both a and b

    D) Cu

    Correct Answer: C

    Solution :

    Cyanide process is used in the extraction of both Silver and Gold because these form complex salts with \[C{{N}^{-}}\] ion due to presence of lone pair of electron on nitrogen atom.


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