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14-04-2018
Chemistry

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In the electrolysis of molten fei3, which product forms at the cathode?

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kenmyna kenmyna

24-04-2018

Then product forms at the cathode is Fe metal

Fei3 undergo dissociate to form fe^ 3+ + 3I^-

Fe^3+ move to the negative electrode(cathode) where they are reduced to metallic iron by gaining 3e-

that is Fe^3+(aq) + 3e- = Fe(s)

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