write a balanced chemical equation assuming that iron was oxidized to iron (lll)
Fe + CuCl2
As Fe lies above Cu in the electrochemical series, so , when Fe reacts with the aqueous solution of Cu2+ (CuCl2), the former will displace the latter and Cu will be depositedand Fe2+ will come into solution. As a result, the blue color of the solution will disappear.When FeCl2is heated in in air , it is oxidised to FeCl3 and Fe2O3.
Fe + CuCl2 = FeCl2 + Cu
12FeCl2 + 3O2=8FeCl3 +2Fe2O3
The overall balanced equation is
12Fe +12CuCl2 +3O2 = 12Cu + 8FeCl3 + 2Fe2O3
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