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 equation.
Copper is more reactive than silver. Hence, displacement reaction occurs. When 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 copper coin. The grey solid crystal(glitters) of Ag metal appears on the copper coin and solution turns blue in colour.
2AgNO3(aq) + Cu(s) → Cu(NO3)2(aq) + 2Ag(s)
Concept: Types of Element: Metals
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