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what is a chemical equation for the corrosion of metal

Sagot :

sebassandin

Answer:

[tex]M+e^-\rightarrow M^+[/tex]

Explanation:

Hello!

In this case, since corrosion is a reaction by which a metal is oxidized to a form in which it has a higher oxidation state due to the fact that it loses electrons and therefore it becomes positively charged. In such a way, for a general metal M, we could have the following corrosion reaction:

[tex]M+e^-\rightarrow M^+[/tex]

The amount of electrons and the resulting oxidation state depend upon the nature of the metal, for instance, we can see it for silver, zinc and aluminum:

[tex]Ag+e^-\rightarrow Ag^+\\\\Zn+2e^-\rightarrow Zn^{2+}\\\\Al+3e^-\rightarrow Al^{3+}[/tex]

Best regards!

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