Chemistry Grade 12 Multiple Choice (4 choices) Question – On the Corrosion of Metals Red/Ox Potentials?
Nose Nerves asked:
A metal corrodes faster when it is in contact with another metal which ***.
ahas a lower reduction potential
bhas a lower oxidation potential
chas a higher reduction potential
dhas a higher position on the electrochemical series
I think it’s a)?
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You are right.
That mechanism is used in batteries, when the element with lower reduction potential corrodes to produce electricity.