WebNov 27, 2024 · Assertion : HNO3 makes iron passive. neason : HNO3 Filo Home CBSE Class 12 Chemistry Aldehydes & Ketones 450+ Live tutors are available right now to answer your questions on this concept! Understand from a live tutor Question Question asked by … WebAssertion:HNO3 makes iron passive. Reason:HNO3forms a protective layer of ferric nitrate on the surface of the iron. 1. Both assertion and reason are correct statements and reason is the correct explanation of the assertion. ... Assertion is wrong but reason is the correct statement. AR & Other Type MCQs The p-Block Elements (XII) Chemistry ...
HNO3 makes iron passive Chemistry Questions - Toppr
WebAssertion A: HNO3 makes iron passive.Reason R: HNO3 forms a protective layer of ferric nitrate on the surface of iron.Mark the correct choice as: [1 Mark] Byju's Answer Standard IX Chemistry Solubility in Ammonia (Group 1) Assertion A: ... Question Assertion (A): HN … WebMark the correct choice as.Assertion (A): HNO3 makes iron passive.Reason (R): HNO3 forms a protective layer of ferric nitrate on the surface of iron.a)Both A and R are true and R is the correct explanation of Ab)Both A and R are true but R is NOT the correct … tasty crab woodbridge va
Assertion: Al becomes passive in conc. HNO3. Reason: Conc.
WebAssertion:HNO3 makes iron passive. Reason:HNO3forms a protective layer of ferric nitrate on the surface of the iron. ... Assertion is wrong but reason is the correct statement. The p-Block Elements (XII) Inorganic Chemistry Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions ... WebIron dipped in concentrated nitric acid. It forms a layer of oxide on a metal surface and hence stops any further reaction of metal. When iron Fe is dipped in concentrated nitric acid, a layer of iron oxide Fe 3 O 4 forms on its surface and it becomes chemically unreactive or passive. The reaction is as follows: WebJun 13, 2024 · On boiling the precipitate with dil. HNO3, it forms a solution of blue colour. Addition of excess of aqueous solution of ammonia to this solution gives Solution: (b) Black precipitate of copper sulphide is formed which gives blue colour of copper nitrate on boiling with dilute HNO 3. tasty cream cheese filled banana bread