Assertion hno3 makes iron passive

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WebAug 8, 2024 · Assertion : HNO3 makes iron passive. Reason : HNO3 forms a protective layer of ferric nitrate on the surface of iron. p - block element cbse class-12 Share It On 1 Answer 0 votes answered Aug 8, 2024 by vikash gupta (63.9k points) selected Sep 16, … (iii) Assertion is correct, but reason is wrong statement. (iv) Assertion is wrong but … WebAssertion: N 2 is less reactive than P 4. Reason: Nitrogen has more electron gain enthalpy than phosphorus. ... Assertion: \[\ce{HNO3}\] makes iron passive. Reason: \[\ce{HNO3}\] forms a protective layer of ferric nitrate on the surface of iron. Both assertion and reason are correct statements, and reason is the correct explanation of the ...

Assertion (A) `HNO_ (3)` makes iron passive. Reason (R ) `HNO…

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 … WebElectronic configuration of a transition element X in +3 oxidation state is [Ar]3d^5. What is its atomic number? fagypont alatt 1987 videa

HNO3 makes iron passive. Chemistry Questions

WebChromium, exposed to air, quickly forms a passive oxide layer that seals the iron and protects it. Various grades of stainless steel contain different supporting metals: molybdenum, silicon, and other constituents all lend … WebApr 10, 2024 · Assertion : When a metal is treated with conc. HNO 3 it generally yields a nitrate, NO 2 and H 2 O. Reason : Conc. HNO 3 reacts with metal and first produces a metal nitrate and nascent hydrogen. The nascent hydrogen then further reduces HNO 3 to NO 2. p - block element 1 Answer 0 votes answered Apr 10, 2024 by BISHNU (32.4k points) WebFeb 15, 2024 · A.Both Assertion and Reason are correct and the reason is the correct explanation for Assertion B.Both Assertion and Reason are correct but the reason is not the correct explanation for the assertion. C.The assertion is correct but the Reason is … hiradc pengangkatan manual smk3

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HNO3 makes iron passive. Chemistry Questions - Toppr

WebWhich metal is protected by a layer of it own oxide (a) Al (b) Ag (c) Au (d) Fe Web1. Assertion: H 3B O3 is a weak acid. Reason: Water extracts the proton of H 3B O3 . 2. Ultimate product is obtained on heating B 2H 6 with N H 3 is. 3. The product/s formed when diborane is hydrolysed is/are. 4. H 3B O3 is acidic because it. fagypont alatt 2021 előzetesWeb(a) S–S bond is present in H2S2O6. (b) In peroxosulphuric acid (H2SO5) sulphur is in +4 oxidation state. (c) Iron powder along with Al2O3 and K2O is used as a catalyst in the preparation of NH3 by Haber’s process. (d) Change in enthalpy is positive for the preparation of SO3 by catalytic oxidation of SO2. 25. fagypont alatt

"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. 2. Both assertion and reason are … " - Assertion hno3 makes iron passive

Assertion hno3 makes iron passive

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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 … Web>> HNO3 makes iron passive. Chemistry Que. Question . Assertion H N O 3 makes iron passive. Reason H N O 3 forms a protective layer of ferric nitrate on the surface of iron. A. Both Assertion and Reason are correct and Reason …

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WebAssertion : SF6 cannot be hydrolysed but SF4 can be. Reason : Six F atoms in SF6 prevent the attack of H2O on sulphur atom of SF6. asked Aug 8, 2024 in Chemistry. p - block element; cbse; class-12 +1 vote. Web14322_material_1_1629359695 - Read online for free.

WebJan 30, 2024 · With so many elements in the periodic table, don’t you get a little nervous? Well, it’s not that tricky! The scientists possibly knew how difficult it would be…

WebAssertion (A) : HNO(3) makes iron passive. Reason (R) : HNO(3) forms a protective layer of ferric nitrate on the surface of iron. If you are seeing this message, that means JavaScript has been disabled on your browser , please enable JS to make this app work. 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.

WebJun 7, 2024 · The acid which makes iron passive is a) Conc. HCI b) Conc.H2SO4 c) Conc.HNO3 d) Conc. HF Advertisement divinadenny0408 is waiting for your help. Add your answer and earn points. Answer 4 people found it helpful mayurguttedar145 Answer: a) Conc. HCL Explanation: please follow me and mark me brainliest Advertisement Still …

WebAssertion: HNO3 renders iron passive. Reason: Iron reacts with HNO3 to form ferric nitrate. Ans. c Q12. Assertion: Xenon forms fluorides. Reason: Because 5d orbitals are available for valence shell expansion. Ans. a. Q13 Assertion: The O-O bond length in H2O2 is shorter than that of O2F2. Reason: H2O2 is an ionic compound. Ans.d. fagypont alatt 1987 teljes filmWeb2.Assertion : HNO3 makes iron passive. A is right but R is Reason : HNO3 forms a protective layer of ferric nitrate on the surface of iron. wrong 3.Assertion : HI cannot be prepared by the reaction of KI with concentrated H2SO4 Reason : HI has lowest H–X bond strength among halogen acids. hiradc meaningWebClick here👆to get an answer to your question ️ HNO3 makes iron passive. Solve Study Textbooks Guides. Join / Login >> Class 12 >> Chemistry >> The p-Block Elements >> Nitric Acid >> HNO3 makes iron passive Chemistry Ques. ... Both Assertion and Reason are correct and Reason is the correct explanation for Assertion. B. hiradc menurut iso 45001WebSep 25, 2024 · Assertion : `HNO_(3)` makes iron passive. Reason : `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 explanation of the assertion. B. Both … hiradc sampleWebAssertion: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 ... hiradc pengelasanWebAssertion: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 ... hiradc pertambanganWebMCQ Assertion: HNO A 3 makes iron passive. Reason: HNO A 3 forms a protective layer of ferric nitrate on the surface of iron. Options Both assertion and reason are correct statements, and reason is the correct explanation of the assertion. Both assertion and … hiradc rumah sakit