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Give reaction when a Cu rod is kept in A...

Give reaction when a Cu rod is kept in `AgNO_(3)` solution.

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When Cu rod dipped in to the solution of `AgNO_(3),Ag^(+)` gets reduced and Ag metal gets deposite on the rod of copper.

Here, `Cu_((S))` is oxidised to `Cu_((aq))^(+2)andAg_((aq))^(+)` is reduced to `Ag_((S))` on seeing these Cu rod weight is reducing the solution becomes copper nitrate. Therefore, solution is of blue colour.
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