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

Posted by Mahi....... . 5 years, 5 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years, 5 months ago

If an iron nail is dipped in the copper sulphate solution then iron displaces copper from the copper sulphate because iron is more reactive than copper. Therefore the colour of the copper sulphate solution changes.
The reaction involved is as follows

Fe(s) + CuSO₄ (aq) → FeSO₄(aq) + Cu(s)

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