Vinegar electrolysis

  • Thread starter MadM
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9
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I tried vinegar electrolysis using 2 copper electrodes and 9v adaptor
it gave dark brown material on the (-) electrode
blue solution
what is the blue solution? since i used white vinegar (which contains water) could it be copper hydroxide?or copper acetate?
what is the brown material on the cathode?
 

Borek

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Blue is most likely copper aqua complex.
 
9
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? what is this exactly? is there an exact formula of it?
 
9
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Thanks for this infos
But why is it aquo? why not acetate or hydroxide ? how can i make sure it is aquo and not another copper compound??
 
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And another thing
Is this aquo the same thing as colloid?
 
Last edited:

Borek

Mentor
28,100
2,620
But why is it aquo? why not acetate or hydroxide ? how can i make sure it is aquo and not another copper compound??
Hydroxide is a solid. Some copper acetate complex is possible, but how much - depends on the vinegar concentration and complex stability constants.

Is this aquo the same thing as colloid?
No. Hydroxide is a solid, aquo complex is a dissolved cation (whatever the counter ion is).
 

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