Question

Justify corrosion is an electrochemical phenomenon

Answer 1

Corrosion as an Electrochemical Process.

A piece of bare iron left outside where it is exposed to moisture will rust quickly.

A piece of bare iron left outside where it is exposed to moisture will rust quickly. The corrosion rate is enhanced by an electrochemical process in which a water droplet becomes a voltaic cell in contact with the metal, oxidizing the iron.