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Assertion : HNO(3) makes iron passive. ...

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

Text Solution

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The correct Answer is:
C
Correct reason : `HNO_(3)` forms a protective coating of `Fe_(2)O_(3)` on the surface of iron.
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Assertion (A) HNO_(3) makes iron passive. Reason (R ) HNO_(3) forms a protective layer of ferric nitrate on the surface of iron.

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