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A copper coin is kept immersed in a solu...

A copper coin is kept immersed in a solution of silver nitrate for some time. What will happen to the coin and the colour of the solution?

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Copper is placed above the silver in the reactivity series which indicates that copper is more reactive than silver. When a copper coin on strip is kept immersed in a solution of silver nitrate `(AgNO_3)` silver from its solution will deposit on copper coin.
`2AgNO_3(aq)_(Colourl ess)+Cu(s)to2Ag(s)+Cu(NO_3)2_(Blue)(aq)`
Copper slowly displaces silver from the `AgNO_3` solution and the colour of solution changes from colourless to blue due to formation of copper nitrate `[Cu(NO_3)_2]`. The copper coil will disappear and silver will precipitate out.
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