Why does the reduction occur at the cathode of an electrolytic cell, when the cathode is negative?
This has something to do with the electrons i know, so if someone could help me out I would greatly appreciate it! :) Thank you!
(may be broke/outdated!)
Why does the reduction occur at the cathode of an electrolytic cell, when the cathode is negative?
This has something to do with the electrons i know, so if someone could help me out I would greatly appreciate it! :) Thank you!
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One Response
In any type of cell, oxidation always occurs at the anode and reduction at the cathode, yet in the electolytic cell, the signs are reversed. Reduction dictates the gain of electrons, thus in an electrolytic cell, it is as if the electrode, by gaining electrons, is becoming more and more negative. Therefore, at the cathode electrode, by losing electrons, the electrode is becoming more positive as the negative charges that were at this electrode is becoming less :)
Hope this helps :)