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abelincolnparty
Active Contributor

Join Date: Jul 2007
Posts: 16

electrolysis of aqueous sodium bicarbonate

04/27/2008 7:02 PM

Has anyone actually analysed the results of the electrolysis of aqueous sodium bicarbonate solution?

What happens when the bicarbonate anion loses an electron? Are you guessing?

What happens when an aqueous solution of sodium carbonate undergoes electrolysis?

Will eventually you get a solution that you cannot tell the difference between the two (and still have water left)?
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user-deleted-9
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Join Date: Aug 2007
Posts: 479
Good Answers: 9
#1

Re: electrolysis of aqueous sodium bicarbonate

04/28/2008 8:58 AM

The loss of electrons is oxidation and this principle would apply to bicarbonate. No I am not guessing.

Think of the carbonate, bicarbonate, CO2, and carbonic acid in an aqueous solution existing together in dynamic equalibrium. As you manipulate the pH of this solution, the dynamic equalibrium will be forced to adjust to these changes. Carbonate being most basic, bicarbonate less basic, aqueous CO2 as a weak acid, and carbonic acid as the pH trends lower.

You did not state what the electrodes were made of. Check out Faraday's laws and Professor Google.
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mbrew1
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Join Date: Jan 2009
Posts: 3
#2

Re: electrolysis of aqueous sodium bicarbonate

01/13/2009 1:55 PM

What are the answers to these questions?? Where can I find these answers??
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ben 78
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Join Date: Mar 2009
Posts: 94
#3

Re: electrolysis of aqueous sodium bicarbonate

04/04/2009 8:00 PM

baking soda will not make hydrogen... it makes co2
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