When a copper wire was left in silver nitrate solution for sometime it was observed that the solution turned bluish green.Explain the observation?
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☆ Copper is come befor silver in the oxidation series,
☆ so copper take place of silver cations in its solution and oxidized , ☆ its form anhydrous copper nitrate which is bluish green colour
Cu + 2 AgNO3=> Cu(NO3)2 + 2 Ag
☆ silver cations reduced into silver
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