What will happen if you keep a solution of copper sulphate in an iron container for a few days ? What is the reason for your observation ?

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The surface of an iron container will develop a green layer due to corrosion covered by copper sulphate

Holes will be formed in the container since iron is more reactive than copper hence iron displaces copper from a solution of copper sulphate

Nothing will happen since no reaction takes place between copper sulphate and iron

Copper metal will be deposited in iron container since copper is more reactive than iron

answer is D.

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Detailed Solution

Holes will be formed in the container since iron is more reactive than copper hence iron displaces copper from a solution of copper sulphate

$C u S O_{4 (a q)} + F e_{(s)} \to F e S O_{4 (a q)} + C u_{(s)}$

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