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The half-reaction that occurs at the cathode during electrolysis of an aqueous sodium iodide solution is.

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MercuryEmily

Answer: answer is below

Explanation:Reaction equation showing ionization of NaI is as follows.     Reaction equation showing ionization of water is as follows.     At cathode, only reduction reactions take place. Hence, reactions taking place at cathode are as follows.            = -2.71Standard reduction potential equation for hydrogen ions is as follows.          = 0.00 If a cation has more negative reduction potential then that ion is difficult to reduce as compared to the cation that has lower negative reduction potential.As  has less electronegative reduction potential than .Thus,  will be reduced easily and you will get the product  at cathode.

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