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Why the colour of copper sulphate change when we put iron in it. |
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Answer» Iron is more reactive than copper. So, when an iron nail is dipped in a copper sulphate solution, iron displaces copper from its solution to form iron sulphate, which is green in color.Fe (s) + CuSO4 (aq) → FeSO4 (aq) + Cu (s) Hence, the blue color of copper sulphate solution changes into green color because of this displacement reaction.\xa0 Because iron is more reactive than copper. Becoz fe displaces cuso4 from its solutio |
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