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To increase the amount of lead sulfate formed, the lead oxide particles being added to the acid should be ground to a very fine powder. As batteries cycle through numerous di… Our summaries and analyses are written by experts, and your questions are answered by real teachers. Lead and lead dioxide, the active materials on the battery's plates, react with sulfuric acid in the electrolyte to form lead sulfate. eNotes.com will help you with any book or any question. The driving force has to be the loss of hydrogen (leChatelier) as both lead and lead sulfate are solids and not in … Lead react with sulfuric acid to produce lead (II) sulfate, sulfur dioxide and water. The surface of metallic lead is protected by a thin layer of lead oxide, PbO. Does history use hypothesis testing using statistical methods? I know for a fact that dilute $\ce{H2SO4}$ is a non-oxidizing acid which makes it a reducing agent. This works more efficiently as lead nitrate is soluble in water. Why do sodium halides react so differently with sulfuric acid? When lead oxide is added to dilute sulfuric acid, a thin layer of lead sulfate is formed on the surface of the solid lead oxide. MathJax reference. This layer protects the rest of the lead oxide from getting converted to lead sulfate in what is known as passivation. Top subjects are Math, Science, and Business. This allows the formation of lead sulfate to continue without interruption. If the concentration of sulfuric acid is very high, a hydrated crystal of lead sulfate is formed that is soluble in the acid. Why is the conjugate of a strong oxidizing agent a weak reducing agent? This renders the lead essentially insoluble in sulphuric acid, and so, in the past, a useful container of this acid. Sign up now, Latest answer posted December 31, 2015 at 7:16:07 PM, Latest answer posted February 21, 2014 at 7:24:57 PM, Latest answer posted November 27, 2015 at 6:50:54 AM, Latest answer posted February 01, 2016 at 11:58:20 PM, Latest answer posted January 20, 2016 at 11:11:30 PM. To learn more, see our tips on writing great answers. What does the verb "to monograph" mean in documents context? Why does HNO3 not give off H2 when reacting with Cu? Since, both dilute $\ce{HCl}$ and dilute H2SO4 are reducing acids of low concentrations, both should be eligible for the Redox reaction. Asking for help, clarification, or responding to other answers. Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. I know for a fact that dilute $\ce{H2SO4}$ is a non-oxidizing acid which makes it a reducing agent. I also know for a fact that $\ce{PbO2}$ is a strong oxidizing agent. So, what you mean is dilute sulfuric acid is still an oxidizing acid but its capacity has been diluted to the point that it cannot oxidize appreciably anymore. In the latter case, nitrogen oxides are formed together with lead (II) nitrate, Pb (NO 3) 2. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. Sulfuric acid - concentrated solution. Use MathJax to format equations. Reaction of solid silver sulfide on warming with dilute nitric acid, Mechanism for the reaction between trisilylamine and hydrogen chloride, My strands of LED Christmas lights are not polarized, and I don't understand how that works. What is the difference between saturated, unsaturated, and supersaturated. Making statements based on opinion; back them up with references or personal experience. What is the minimum viable ecological pyramid a terrafoming project would introduce to world with no life to make it suitable for humans? Lead oxide is poorly soluble in water. I have tried this on the internet but all I get are reaction balancing links .JD Lee's Concise Inorganic Chemistry has nothing about this also. StringMatchQ fails using Alternatives with complex pattern, Two PhD programs simultaneously in different countries. Figuring out from a map which direction is downstream for a river? Should live sessions be recorded for students when teaching a math course online? Share Tweet Send [Deposit Photos] Sul­fu­ric acid is one of the strong­est diba­sic acids, which has the for­mu­la H₂­SO₄. ©2020 eNotes.com, Inc. All Rights Reserved. As for its phys­i­cal prop­er­ties, sul­fu­ric acid looks like a thick trans­par­ent oily liq­uid with no smell. Sulfuric acid and reactions with it Chemical properties of sulfuric acid. The lead sulfate first forms in a finely divided, amorphousstate and easily reverts to lead, lead dioxide, and sulfuric acid when the battery recharges. What are 5 pure elements that can be found in your home? What does “blaring YMCA — the song” mean? How do you calculate the number of neutrons? So, I thought Redox reaction should have occurred between them, but my teacher says that no reaction occurs between the said reactants because $\ce{PbO2}$ does not react with low concentration of acid. What is the decisive point for classifying a certain speech as unacceptable? Concentrated $\ce{H2SO4}$ is an oxidizer, diluting it does not make it less of an oxidizer, but limits the strength/mechanism. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. How to say "garlic", "garlic clove" and "garlic bulb" in Japanese? It only takes a minute to sign up. An easier method of creating lead sulfate is with the reaction of lead nitrate and sulfuric acid. What are ten examples of solutions that you might find in your home? This is where you are wrong, just because it is non-oxidizing does not make it reducing.