6L Problems: oxidation and reduction

Moderators: Chem_Mod, Chem_Admin

Siddiq 1E
Posts: 106
Joined: Fri Aug 09, 2019 12:15 am

6L Problems: oxidation and reduction

Postby Siddiq 1E » Sun Mar 01, 2020 4:23 pm

Hi, for the 6L problems that ask you to write the half reactions, how do you know which is being oxidized and which reduced?

Jessica Castellanos
Posts: 102
Joined: Sat Aug 24, 2019 12:17 am
Been upvoted: 1 time

Re: 6L Problems: oxidation and reduction

Postby Jessica Castellanos » Sun Mar 01, 2020 4:30 pm

To figure out which is the oxidation and which is the reduction reaction,The first step is to figure out the oxidation states of each element in the reactants side and products side (there is a video on Khan Academy on common oxidation state patterns). Then, compare each element's oxidation state from product to reactant side, if an element's oxidation state increased, then it was reduced, so that reactant and product will be the reduction reaction. If an element's oxidation state decreased, then it was oxidized, so that reactant and product will be the oxidation reaction. I hope this helps!

805373590
Posts: 101
Joined: Wed Sep 11, 2019 12:17 am

Re: 6L Problems: oxidation and reduction

Postby 805373590 » Sun Mar 01, 2020 4:31 pm

Hi this link is very useful in explaining the steps:
http://www.occc.edu/kmbailey/Chem1115Tu ... idized.htm

Adriana_4F
Posts: 74
Joined: Fri Sep 28, 2018 12:29 am

Re: 6L Problems: oxidation and reduction

Postby Adriana_4F » Sun Mar 01, 2020 4:34 pm

If a species loses electrons, it is oxidized. If it gains electrons it is reduced

Siddiq 1E
Posts: 106
Joined: Fri Aug 09, 2019 12:15 am

Re: 6L Problems: oxidation and reduction

Postby Siddiq 1E » Sun Mar 01, 2020 5:04 pm

Thanks everyone but I actually need help writing it from the cell. I know what oxidation and reduction mean i just can't seem to discern which is which from the cell

Siddiq 1E
Posts: 106
Joined: Fri Aug 09, 2019 12:15 am

Re: 6L Problems: oxidation and reduction

Postby Siddiq 1E » Sun Mar 01, 2020 5:05 pm

Siddiq 1E wrote:Thanks everyone but I actually need help writing it from the cell. I know what oxidation and reduction mean i just can't seem to discern which is which from the cell


For example, 6L. 3 gives just the elements.


Return to “Galvanic/Voltaic Cells, Calculating Standard Cell Potentials, Cell Diagrams”

Who is online

Users browsing this forum: No registered users and 0 guests