Question

what happens when iron nail are placed in copper sulphate solution ? write word equation of reactions involved. (full details needed) (long answers)​

Answer 1

Iron nails lose their shiny appearance because an insoluble layer of copper is formed on the nails, Meanwhile, the solution,CuSO4

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  loses its blue color because of the formation of FeSO4

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. This reaction is called displacement reaction in which the reactive element Iron, Fe has displaced less reactive Copper from its solution, The chemical equation can be written as:

Fe+CuSO4

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→Cu+FeSO4

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