Oxidation states

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Maya Gollamudi 1G
Posts: 100
Joined: Thu Jul 25, 2019 12:15 am

Oxidation states

Postby Maya Gollamudi 1G » Sun Nov 24, 2019 12:27 pm

How are oxidation states determined in coordination complexes?

Jamie Lee 1H
Posts: 54
Joined: Fri Aug 09, 2019 12:15 am

Re: Oxidation states

Postby Jamie Lee 1H » Sun Nov 24, 2019 1:11 pm

The oxidation numbers are determined based off the charge of the ion itself. For example if the compound was C2H6, the oxidation number of the H would be +1 and the C is -3 so when you add the total together it would be (1x6)+ (-3x2) which would make the oxidation number of the whole molecule 0.

Mariah
Posts: 104
Joined: Fri Aug 02, 2019 12:16 am

Re: Oxidation states

Postby Mariah » Sun Nov 24, 2019 1:20 pm

Jamie Lee 1H wrote:The oxidation numbers are determined based off the charge of the ion itself. For example if the compound was C2H6, the oxidation number of the H would be +1 and the C is -3 so when you add the total together it would be (1x6)+ (-3x2) which would make the oxidation number of the whole molecule 0.


So is it kind of similar to the formal charge or completely different?

kevinolvera1j
Posts: 103
Joined: Fri Aug 02, 2019 12:15 am

Re: Oxidation states

Postby kevinolvera1j » Sun Nov 24, 2019 1:22 pm

oxidation state is more related to the cation before it bonded whereas formal charge is determined in bonds.

Jamie Lee 1H
Posts: 54
Joined: Fri Aug 09, 2019 12:15 am

Re: Oxidation states

Postby Jamie Lee 1H » Sun Nov 24, 2019 2:35 pm

They are somewhat similar in a sense but the oxidation number deals mainly with the more electronegative atom keeping all the shared electrons while formal charge assumes the electrons are shared evenly.

Sadhana_Dicussion_4A
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Joined: Sat Sep 07, 2019 12:19 am

Re: Oxidation states

Postby Sadhana_Dicussion_4A » Sun Nov 24, 2019 2:45 pm

The oxidation state of the metal ion is found using the charges of each ligand and the overall charge of the coordination compound. For example, in the coordination compound [Cu(NH3)4]2+, the ligand, NH3, has a charge of 0 and the compound has an overall charge of 2+. Therefore, Cu has to have a charge of 2+ in order to make the compound have an overall charge of 2+.

Giselle Littleton 1F
Posts: 78
Joined: Wed Sep 18, 2019 12:20 am

Re: Oxidation states

Postby Giselle Littleton 1F » Sun Nov 24, 2019 4:53 pm

Also, when you're naming the complex, it might be helpful to find the determine the overall charge first.


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