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Electrolysis in extraction of metal

why does electron moves from positive to negative terminal in extraction of metal during electrolysis

Ravi S.
student - Delhi
August 5, 2010

Hi, Ravi.
The battery is forcing the electrons to move through the external wiring from the positive to the negative terminal.

If you were to look inside the battery, you would see that it is just another anode/cathode electrolysis machine, wired the reverse of your anode and cathode. But the battery is bigger/better/more powerful, and wins the battle of which way the electrons flow :-)

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
August 6, 2010

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