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WB JEE Medical WB JEE Medical Solved Paper-2006

  • question_answer
    When Cu reacts with \[\text{AgN}{{\text{O}}_{\text{3}}}\]solution, the reaction takes place is :

    A)  oxidation of Cu               

    B)  reduction of Cu

    C)  oxidation of Ag               

    D)  reduction of \[NO_{3}^{-}\]

    Correct Answer: A

    Solution :

                     Cu is placed above Ag in electrochemical series, hence it can replace Ag from its salts solution. Therefore the reaction occur as follows : \[\overset{0}{\mathop{Cu}}\,\,+AgN{{O}_{3}}\xrightarrow[\text{oxidation}]{}\overset{+1}{\mathop{Cu}}\,N{{O}_{3}}+Ag\]


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