Question

why does the colour of copper sulphate solution change when an iron nail is dipped in it​

Answer 1

Answer:

when iron nail is dipped into copper sulphate solution then the colour of the solution changes from Blue to green

Explanation:

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Answer 2

Answer:

Iron lies above in the reactivity series and thus more reactive than copper. As a result, the more reactive metal (iron) displaces a less reactive metal (copper) from its salt solution (copper sulphate solution). Hence, the change in color

Explanation:

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