why does the colour of copper sulphate solution change when an iron nails is dipped in it?
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why does the colour of copper sulphate solution change when an iron nails is dipped in it?
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The following chemical reaction takes place
Fe+CuSO4. =FeSo4 + Cu
Answer:Iron is more reactive than copper. So, when an iron nail is dipped in a copper sulphate solution, iron displaces copper from its solution to form iron sulphate, which is green in color.
Fe (s) + CuSO4 (aq) –––> FeSO4 (aq) + Cu (s)
Explanation: