What happens to the colour of copper sulphate solution when iron nails – InterviewSolution

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1.	What happens to the colour of copper sulphate solution when iron nails are dipped into it? 1 pointBlue colour changes to greenGreen colour changes to blueNone of these
Answer» more REACTIVE than COPPER. Hence it displaces copper from copper SULPHATE and due to FORMATION of FeSO4, the colour CHANGES from blue to green.

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