Chemistry, asked by okerekekamsok, 1 year ago

why does iron and aluminium store concentrated trioxonitrate v acid

Answers

Answered by KeshavGiri
5

Answer:

Although chromium (Cr), iron (Fe), and aluminium (Al) readily dissolve in dilute nitric acid, the concentrated acid forms a metal-oxide layer that protects the bulk of the metal from further oxidation. The formation of this protective layer is called passivation.

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