Battery to replace chemical electron donor

AI Thread Summary
In discussions about using batteries as electron donors in reactions that reduce organic compounds, it is confirmed that batteries can indeed substitute for traditional chemical electron donors. The mercury/aluminum amalgam reaction is highlighted, where aluminum donates electrons, and mercury acts as a mediator. The mediation process is clarified: mercury prevents the formation of a nonconductive crust on aluminum during oxidation, ensuring a continuous, conductive surface for the reaction. This approach presents an opportunity to reduce environmental impacts, particularly by minimizing the use of toxic mercury. The conversation also touches on the potential for simple experiments involving organic compounds in electrochemistry, indicating a growing interest in practical applications of these concepts.
GiTS
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In reactions that reduce organic compounds through donation of electrons, can a battery substitute as an electron donor?

In a typical mercury/aluminum amalgam reaction, aluminum donates the electron to the compound that is going to be reduced. The mercury serves as a mediator for the reaction.

I don't understand what mediation is needed and/or how it mediates said reaction.

I have read that the reaction essentially creates a battery. https://www.google.com/search?q=amalgum+battery

I have heard of other reduction reactions that substitute batteries in place of chemical electron donors.

There is a lot of potential here to reduce the environmental impact considering how nasty mercury is.

I've done beginner electrochemistry in my day, but it involved standard metal plating. I'd like to come up with a simple experiment that involves organic compounds.

Any thoughts?
 
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GiTS said:
In reactions that reduce organic compounds through donation of electrons, can a battery substitute as an electron donor?

Short answer... Yes.

In a typical mercury/aluminum amalgam reaction, aluminum donates the electron to the compound that is going to be reduced. The mercury serves as a mediator for the reaction.

I don't understand what mediation is needed and/or how it mediates said reaction.
Aluminum forms a nonconductive crust when it is oxidizes. Mercury breaks it down and continually presents a pristine, electrically-conductive surface to the reagents while maintaining an intimate electrical contact with the aluminum.

I've done beginner electrochemistry in my day, but it involved standard metal plating. I'd like to come up with a simple experiment that involves organic compounds.

Any thoughts?

Here are a few...
 
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