Zinc being more reactive than iron, readily donates its two electrons to become Zn2+ ion, even if the layer is broken the supply of electrons from the zinc do not stop, the attacking substance basically attack for the electrons which are provided by zinc, thus iron remains protected.
Published by Ankush Sharma
I am M.Sc (chemistry ) from Punjabi University Patiala.
I am a science teacher with expertise in chemistry, with 8 years of experience in teaching. Writing and blogging is my hobby, I write whenever I am free.
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