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Topic: Spontaneous Reactions  (Read 1432 times)

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Offline lalex0710

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Spontaneous Reactions
« on: October 07, 2013, 11:06:27 PM »
I need help with this question of predicting spontaneous redox reactions. Thank you so much.

Question: Predict the reaction that will occur when Ni and Fe are added to a solution that contains both Cl- and Br-?

My solutions: I've listed out all the entities present: Ni Fe Fe3+ Ni2+

According to the entities that are present, Fe3+ should be the strongest oxidizing agent and therefore should undergo a reduction with an equation of Fe3+ +e- ---> Fe2+. Nickel would be the strongest reducing agent and therefore should undergo oxidation with
Ni ------> Ni2+.  However, the answer I received indicated otherwise, where the answer is (Ni+2 +Fe ---> Ni + Fe2+). I really need help and clarification on this. Thanks again to all whom are providing assistance.

Offline Borek

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Re: Spontaneous Reactions
« Reply #1 on: October 08, 2013, 02:43:00 AM »
Where do you get Fe(III) from?
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