Question

What happens when you put a galvanized nail (coated in zinc) in copper sulfate solution - NOT and iron nail. I know what happens when you put an iron nail in. Also, how would you write the ion-electron half equations and balanced overall equation for each reaction

Answer 1

Since, zinc is less reactive than copper, the zinc will not be able to displace copper from copper sulphate or nothing is going to happen.

Iron displaced copper from copper sulphate and forms ferrous sulphate because iron is more reactive than copper. ( You may prefer reactivity series for order of reactivity of elements ).

And the reaction of Iron nail in Copper sulphate solution is followed

Fe + CuSO⁴ ----> FeSO⁴ + Cu

or. Fe + Cu²+ -----> Fe²+ + Cu

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