Assertion hno3 makes iron passive

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August undefined, 2024

WebElectronic configuration of a transition element X in +3 oxidation state is [Ar]3d^5. What is its atomic number? WebThe concentrated HNO3 mainly exists in the form of molecular, which shows oxidizing . But dilute HNO3 exists in the form of hydrogen ion and nitrate ion, which shows acidity, so it does not passivate. (Here are the possible equations of iron dipping in dilute HNO3: Fe+4HNO3=Fe (NO3)3+NO↑+2H2O 3Fe+8HNO3=3Fe (NO3)2+2NO↑+4H2O)

Assertion:HNO3 makes iron passive. Reason:HNO3forms a …

Web(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. 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 ... doctor who the satan pit spaceship images

Assertion: Al becomes passive in conc. HNO3. Reason: Conc. HNO3 ha…

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: WebWhy is iron rendered passive in Nitric acid? Solution The reaction of Nitric acid with Iron: On reaction with concentrated nitric acid HNO 3 Iron transforms into a protective layer of ferric oxide Fe 2 O 3. This happens because Nitric acid is a very good oxidizing agent. WebHNO 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 and Reason is the correct explanation for Assertion B Both Assertion and Reason are correct but Reason is not … extra wide king coverlet

Assertion : HNO3 makes iron passive. neason : HNO3 Filo

Assertion A: HNO3 makes iron passive.Reason R: …

WebAssertion HNO3 makes iron passive. Reason HNO3 forms a protective layer of ferric nitrate on the surface of iron. Hard View solution Which of the following is rendered passive by concentrated nitric acid? Medium View solution Give reasons for the following: Iron is … Web14322_material_1_1629359695 - Read online for free. doctor who the seeds of death part 3WebChromium, 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 … doctor who the seeds of death opening youtube

"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. " - Assertion hno3 makes iron passive

Assertion hno3 makes iron passive

NCERT Exemplar Class 12 Chemistry Chapter 7 The p-Block …

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 … 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)

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WebSep 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 … WebSolution For Assertion :HNO3 makes iron passive. Reason :HNO3 forms a protective layer of ferric nitrate on the surface of iron. Assertion :HNO3 makes iron passive.

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) Chemistry Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT ...

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. Web2.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.

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 …

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 … extra wide king size comfortersWeb>> 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 … doctor who the shakespeare code castWebAssertion: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. Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT Exemplar Questions and PDF … doctor who the sea devils part 2Web1. 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. doctor who the shining manWebWhich metal is protected by a layer of it own oxide (a) Al (b) Ag (c) Au (d) Fe doctor who the shepherd\u0027s boyWebAssertion (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. doctor who the silurians part 2WebAssertion: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 ... doctor who the sinister sponge