Assertion (A) `HNO_(3)` makes iron passive. Reason (R ) `HNO_(3)` forms a protective layer of ferric nitrate on the surface of iron.

Question

Assertion (A) `HNO_(3)` makes iron passive. Reason (R ) `HNO_(3)` forms a protective layer of ferric nitrate on the surface of iron.

Assertion (A) `HNO_(3)` makes iron passive.
Reason (R ) `HNO_(3)` forms a protective layer of ferric nitrate on the surface of iron.
A. Both Assertion and Reason are correct statements , and Reason is the correct explation of the Assertion.
B. Both Assertion and Reason are correct statements , and Reason is not the correct explanation of the Assertion.
C. Assertion is correct, but Reason is wrong statement.
D. Assertion is wrong but Reason is correct statement.

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Assertion is true, but reason is false.
`HNO_(3)` makes iron passive due to formation of passive form of oxide on the surface.
Hence, Fe does not dissolve in conc `HNO_(3)` solution.

4 views Answered 2023-02-05 15:29