First slide

13th group or boron group

Question

Concentrated $H N O_{3}$ can be stored in container of ____?

Moderate

A

Cu
B

Zn
C

Al
D

Au

Solution

Concentrated $H N O_{3}$ is an oxidizing agent. Al is rendered passive by conc. $H N O_{3}$ due to the formation of a protective oxide formation.

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