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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?

Text Solution

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Copper is more reactive than silver. Hence, it displaces silver from the silver nitrate solution according to the given reaction.
`underset("copper")(Cu(s))+underset("Silver nitrate")(2AgNO_(3)(aq))rarrunderset("Copper(II) nitrate")(Cu(NO_(3))_(2)(aq))+underset("Silver")(2Ag(s))`
The silver thus formed is deposited on the surface of copper, thereby giving it a white shining appearance.
The solution becomes blue due to the formation of copper nitrate.
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