14.119

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Meachelle_Lum_1I
Posts: 92
Joined: Fri Sep 28, 2018 12:24 am

14.119

Postby Meachelle_Lum_1I » Wed Mar 06, 2019 10:47 pm

For this problem in the 6th edition, why aren't we using Au2+ for the anode rxn (instead of Au+)? Doesn't its paired anode half rxn involving (CN)2 have a 2- charge?

Jerome Mercado 2J
Posts: 60
Joined: Tue Nov 28, 2017 3:02 am

Re: 14.119

Postby Jerome Mercado 2J » Wed Mar 06, 2019 11:50 pm

Au (gold) has either a +1 charge or a +3 charge. We choose the +1 charge in this situation since it has a higher positive charge potential making it more likely to be oxidized losing only one electron over 3 electrons.


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