The metal used in the galvanizing of iron is

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(B) Galvanization is the process of applying a protective zinc coating to iron or steel to prevent rusting.$Zn$ is used for this purpose because it ac

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$Zn$

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(B) Galvanization is the process of applying a protective zinc coating to iron or steel to prevent rusting.$Zn$ is used for this purpose because it acts as a sacrificial anode,protecting the iron even if the coating is scratched,due to its more negative standard reduction potential $(E^o = -0.76 \ V)$ compared to iron $(E^o = -0.44 \ V)$.

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