The colour of copper sulphate solution changes when an iron nail is di – InterviewSolution

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1.	The colour of copper sulphate solution changes when an iron nail is dipped in it. State the reason giving chemical equation for the reaction involved.
Answer» Solution :`CuSO_4+Fe to FeSO_4+Cu` (Blue) (Green) IRON is more REACTIVE than copper. Hence it displaces copper from copper sulphate and DUE to FORMATION of `FeSO_4`, the colour changes from blue to green.

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