14.17

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John_Richey_4A
Posts: 69
Joined: Fri Sep 28, 2018 12:27 am

14.17

Postby John_Richey_4A » Fri Mar 15, 2019 9:51 pm

For this question it says to find the redox reaction between potassium permanganate and Iron(II) chloride, I used the half reaction Fe2+ + 2e---> Fe, but this is wrong for two reasons. 1. Iron is supposed to be the anode not the cathode and 2. The half reaction involves an Fe3+ species. I have no clue why either of these are the case here.

keyaluo4C
Posts: 54
Joined: Fri Sep 28, 2018 12:17 am

Re: 14.17

Postby keyaluo4C » Fri Mar 15, 2019 10:24 pm

The half-reaction for iron is actually Fe2+ -> Fe3+ + e-. Fe is being oxidized because it has a lower reduction potential.


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