oxidation state equation

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Katie Bart 1I
Posts: 104
Joined: Sat Aug 24, 2019 12:16 am

oxidation state equation

Postby Katie Bart 1I » Sun Nov 24, 2019 5:13 pm

Do we need to memorize the equation to determine the oxidation number of a coordination compound? And are we going to learn this equation in class?

Sydney Jacobs 1C
Posts: 59
Joined: Thu Jul 25, 2019 12:15 am
Been upvoted: 1 time

Re: oxidation state equation

Postby Sydney Jacobs 1C » Sun Nov 24, 2019 5:22 pm

Usually, the oxidation number of the metal can be calculated using the overall charge of the compound and the known charges of anions. For example, in the ion [FeCl(OH2)5]+, the overall charge is +1, water is neutral, and Cl has a charge of -1. So, Fe must have a charge of +2. The oxidation number is therefore II.

Sarah Nichols 4C
Posts: 52
Joined: Sat Aug 24, 2019 12:18 am

Re: oxidation state equation

Postby Sarah Nichols 4C » Sun Nov 24, 2019 7:28 pm

If you want to think about it in terms of a formal equation, it would be:

Oxidation state of metal=net charge of compound-(total charge of anions)

it may be easier to just remember the concept though, that the net charge of the compound must be the sum of the charges of all the ions


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