Hydrogen?

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kanikubari
Posts: 30
Joined: Fri Dec 07, 2018 12:18 am

Hydrogen?

Postby kanikubari » Sun Feb 24, 2019 7:49 pm

Does the reduction or oxidation of hydrogen matter? For example in problem 6k .1, the solution doesn't state hydrogen.

Noah Cook 3O
Posts: 31
Joined: Fri Sep 28, 2018 12:20 am

Re: Hydrogen?

Postby Noah Cook 3O » Sun Feb 24, 2019 8:05 pm

Generally hydrogen is not reduced or oxidized, but has a consistent oxidation state of +1. If it is a complex molecule that involves hydrogen, like H2SO4, it is usually another element within the molecule that is being reduced or oxidized.

Cienna Henry 1J
Posts: 61
Joined: Fri Sep 28, 2018 12:15 am
Been upvoted: 1 time

Re: Hydrogen?

Postby Cienna Henry 1J » Sun Feb 24, 2019 8:53 pm

Noah Cook 3O wrote:Generally hydrogen is not reduced or oxidized, but has a consistent oxidation state of +1. If it is a complex molecule that involves hydrogen, like H2SO4, it is usually another element within the molecule that is being reduced or oxidized.

Why is this?

Dhwani Krishnan 1G
Posts: 63
Joined: Fri Sep 28, 2018 12:17 am

Re: Hydrogen?

Postby Dhwani Krishnan 1G » Sun Feb 24, 2019 9:05 pm

Hydrogen has only 1 valence electron. When combined with a less-electronegative element (eg. a metal), it gains another to complete its p-orbital, giving it an oxidation state of -1. In other cases, it loses its electron, giving it an oxidation state of +1.

Since there is only 1 electron to begin with, it is unlikely that hydrogen will become further oxidized/reduced when it is already bonded to something in a complex molecule.


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