HW 6L.9

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Erik Buetow 1F
Posts: 96
Joined: Fri Aug 30, 2019 12:15 am

HW 6L.9

Postby Erik Buetow 1F » Tue Mar 03, 2020 4:44 pm

For this question: “write and balance the redox reaction for potassium permanganate and iron (II) chloride” how do we set up the equation? How do we know what to put on the product side? Is it just assumed that we include the solid form of these compounds?

nicolely2F
Posts: 149
Joined: Sat Sep 14, 2019 12:17 am

Re: HW 6L.9

Postby nicolely2F » Thu Mar 05, 2020 10:40 pm

The salts will dissociate in water, so see their reduction potentials to determine which one will be reduced and which one will be oxidized, then write the overall equation with that in mind.

Jessa Maheras 4F
Posts: 121
Joined: Fri Aug 02, 2019 12:16 am

Re: HW 6L.9

Postby Jessa Maheras 4F » Sat Mar 07, 2020 3:35 pm

First, you have to write the reduction half reactions using the non- H/O elements (find these in the appendix - they are helpful!). Then, balance these in order of non-H/O elements, then H/O, then for charge. Then depending on which is the anode and which is the cathode, reverse the anode run to make it oxidation. Then, make sure #e- is the same for both reactions (balance electrons) and add the two half ran to form a balanced redox rxn.

Jessa Maheras 4F
Posts: 121
Joined: Fri Aug 02, 2019 12:16 am

Re: HW 6L.9

Postby Jessa Maheras 4F » Sat Mar 07, 2020 3:37 pm

I hope this is helpful!


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