Sudha dipped a copper coin in a solution of silver nitrate. After some time she saw the silver shine on the coin because :

copper is more reactive than silver. Hence, displacement reaction occurs

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when copper coin is dipped in silver nitrate solution forming copper nitrate and silver metal

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a shining white deposit of silver metal is formed on copper coin

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all of these

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Solution

The correct option is D all of these
1. Copper is more reactive than silver. Hence displacement reaction occurs.

2. When a copper coin is dipped in silver nitrate solution forming copper nitrate and silver metal.

3. A shining white deposit of silver metal is formed on the copper coin. Hence, she saw a silver shine on the copper coin.

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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