Which element exhibits passive behavior upon exposure to concentrated nitric acid?

Group VA and VIA Elements MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Group VA and VIA Elementschemistry-mcqs › group-va-and-via-elements
Published
18 Mar 2019
Last updated
28 May 2026

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Explanation

Aluminum (Al) forms a protective oxide layer that causes it to become passive when treated with concentrated HNO3, preventing further reaction.

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