Why does the colour of copper sulphate solution change when
an iron nail is dipped in it?
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Why does the colour of copper sulphate solution change when
an iron nail is dipped in it?
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Answer:
When an iron nail immersed in the solution of copper sulphate than iron displaces copper from the solution of copper sulphate because iron is more reactive than copper. Therefore copper sulphate solution colour changes from blue to pale green.
Explanation:
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Verified answer
Copper sulphate solution colour changes from blue to pale green when an iron nail is dipped in it .
This is because that iron is more reactive than copper.
The following chemical reaction takes place in this activity.
Fe+CuSO4→FeSO4+Cu
In this reaction, iron displaces copper from CuSO4 solution.