When a copper coin is dipped in silver nitrate solution, a glitter appears on the coin after some time. Why does this happen? Write the chemical eauation.

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Solution

$Copper is more reactive than silver.$ Hence, the displacement reaction occurs. When the copper coin is dipped in silver nitrate solution, it forms copper nitrate and silver metal. A shining white deposit of silver metal is formed on a copper coin. The grey solid crystal (glitters) of Ag metal appears on the copper coin and the solution turns blue in color
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Balanced equation:

$2 A g N O_{3} (a q) + C u (s) \to C u (N O_{3})_{2} (a q) + 2 A g (s)$

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