Chromium Plating

[Sophia_Galstyan_3I]

Hello everyone, I had a question about preventing corrosion and plating another metal with one that can prevent it from corroding....why exactly is chromium chosen as the metal to inhibit corrosion of iron, is it because it has a lower standard reduction potential therefore, it is more likely to be oxidized? Someone please clarify, thank you!

[audrey 1A]

Yes, having a lower standard reduction potential is part of the reason. So because of this, it will react with oxygen to form a protective layer over the iron to prevent from corrosion.

[Savonnah Wong 1A]

While the standard reduction potential does play a role in the corrosion inhibition process, the overall effectiveness of chromium as a corrosion inhibitor for iron is primarily attributed to its ability to form a stable and protective oxide layer.