about redox reaction

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505166714
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Joined: Fri Sep 28, 2018 12:17 am

about redox reaction

Postby 505166714 » Mon Feb 25, 2019 9:09 pm

Is it true that the redox reaction always involves oxygen? From the homework problems, there is always oxygen present.

Rimsha Hussaini 1A
Posts: 31
Joined: Fri Sep 28, 2018 12:20 am

Re: about redox reaction

Postby Rimsha Hussaini 1A » Mon Feb 25, 2019 9:15 pm

Redox reactions do not always include oxygen. For example, look at #13 from Chapter 14 in the 6th Edition. Not one of the cell reactions for the galvanic cells given, all of which are redox reactions, include oxygen.

Jayasuriya Senthilvelan 4I
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Joined: Thu Jan 10, 2019 12:17 am

Re: about redox reaction

Postby Jayasuriya Senthilvelan 4I » Mon Feb 25, 2019 9:18 pm

Redox reactions do not always involve oxygen. Redox reactions always involve the reduction and oxidation of some compound. So one compound loses electrons and another compound gains these lost electrons. Whether Oxygen is present or not has nothing to do with a redox reaction.

Miya Lopez 1I
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Re: about redox reaction

Postby Miya Lopez 1I » Mon Feb 25, 2019 9:19 pm

Since a redox reaction is a reduction/oxidation reaction, I thought oxygen had to be present but when I searched it up it says that "Oxygen does not have to be present in a reaction for it to be a redox-reaction. Oxidation is the loss of electrons." https://simple.wikipedia.org/wiki/Oxidation

Ashley Kim
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Re: about redox reaction

Postby Ashley Kim » Mon Feb 25, 2019 11:00 pm

Oxidation has its name because in the early days of chemistry, the loss of electrons was associated with the gain of oxygen atoms. (It is a little confusing, though)

Phil Timoteo 1K
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Joined: Fri Apr 06, 2018 11:05 am

Re: about redox reaction

Postby Phil Timoteo 1K » Tue Feb 26, 2019 12:36 am

Redox reaction are just rxns were one molecule is reduced and the other is oxidized, but it does not necessarily have to include oxygen.


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