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CBSE Class 10 Answered

why does colour of copper sulphate solution change when iron nail is dipped in it
Asked by obaleshamp | 22 Dec, 2019, 01:02: PM
answered-by-expert Expert Answer

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)

Answered by Ramandeep | 23 Dec, 2019, 02:50: PM

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