Question

Iron nail left dipped in blue copper sulphate solution become brownish in colour and the blue colour of copper sulphate fades away . Identify the type of reaction

Answer 1

this is the displacement reaction

Answer 2

Fe+CuSO4= FeSO4+Cu.

Iron as it is highly reactive than copper replaces it .

So the blue colour of copper sulphate fades away.

As Cu is displaced by highly reactive metal Fe, this is DISPLACEMENT REACTION

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