Question

when an iron nial is dipped in blue copper sulphate solution?​

Answer 1

ANSWER :

when an iron nail is dipped in to the copper sulphate solution ,the blue colour of the copper sulphate solution fades gradually and red-

brown copper metal is formed .It is due to chemical reaction that occurred .

REACTION : Fe + CuSO4 + Cu

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Answer 2

Answer:

When an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed in the surface of iron and the colour of copper sulphate solution changes from blue to pale green. The reaction shows that iron is more reactive than copper because it displaces copper from the copper sulphate solution.