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Iron is rendered passive with fuming HNO3. Give reason.

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Question

Iron is rendered passive with fuming HNO3. Give reason.

Give Reasons
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Solution

Iron forms a coating of its oxide and nitrate, which stops further reaction.

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Chapter 10: Study of Compounds C. Nitric Acid - EXERCISE-10 [Page 172]

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S.P. Singh Concise Chemistry [English] Class 10 ICSE
Chapter 10 Study of Compounds C. Nitric Acid
EXERCISE-10 | Q (d) | Page 172
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