Dirac Notation and Coordinate transformation of a function. They consist of ammonolysis of SO2, followed by auto-redox disproportionation of SIV into a range of oxidation states. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The answer key states that a solid with $\ce{N}$ and $\ce{S}$, and a gas which gives a black precipitate with lead acetate is evolved. ), Drawing a RegionPlot from a Table of Values, Old Budrys(?) The problem stayement is not very specific. In some tubes with NH3:SO2 <7 a spontaneous reaction occurs after 1 ½ to 2 years and the colorless or pale yellow solution turns a brilliant violet signalling the decomposition of thiosulfate and polythionate into elemental sulfur which reacts with the liquid ammonia yielding negatively charged polysulfide radical ions. rev 2020.11.24.38066, The best answers are voted up and rise to the top, Chemistry Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. Why did my iron nails not dissolve in hydrochloric acid? Shouldn't some stars behave as black holes? Abstract The reaction of sulfur dioxide with excess ammonia was studied during warm-up of rare gas matrices and in sealed pressure tubes containing various isotropic species. Is it ammonium sulphide or ammonium sulphite? We could write any reaction of N and S such that $\ce{x N + y S -> N_xS_y}$. 5 Howick Place | London | SW1P 1WG. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. Is it against the rules to see someone's exam answers after the exam? What would be a proper way to retract emails sent to professors asking for help? cold, pure, not dissolved in water) ammonia, then only one of your two suggestions is possible. What does “blaring YMCA — the song” mean? If you’re sure that you only have sulphur and liquid (i.e. Registered in England & Wales No. I found that a method I was hoping to publish is already known. 3099067 If you really mean sulfur plus ammonia, then the solid cannot contain oxygen which is not present in the system. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. What does the circled 1 sign mean on Google maps next to "Tolls"? I wish to ask how "we would expect" that only $\ce{S4N4}$ would be formed, and not any other compound (like $\ce{S5N5}$)? Journal of Industrial and Engineering Chemistry 2012 , … Okay, I was only worried, even though $\ce{S4N4}$ may be a common and well-known compound, if the reaction conditions allow for its formation or not? Above 80°K the spectrum of ammonium sulfite, NH4SO3 prevails. The reactions may proceed in absorbed water on the surface of a reactor and a fiber filter. Use MathJax to format equations. Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. I don't think this question has a simple answer. hydrogen sulfite. Have any other US presidents used that tiny table? The paper's first page also refers to the system's light sensitivity, so if you don't keep it in the dark, you may get different products. 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. “…presume not God to scan” – what does it mean? Does liquid ammonia react with hydrogen gas? Key Words : sulfur dioxide, ammonia, reaction, reaction temperature, relative humid ity 1. How to make my own professional book step-by-step( there is a course or a book that I didn't find? Isotope substitution indicates that ammonia does not participate in redox reactions and acts merely as a nucleophilic catalyst. MathJax reference. By closing this message, you are consenting to our use of cookies. To learn about our use of cookies and how you can manage your cookie settings, please see our Cookie Policy. How to separate and analyse a sample of cations of alkaline and earth alkaline cations and ammonium? I don't think this question has a simple answer. Register to receive personalised research and resources by email, THE REACTIONS OF SULFUR DIOXIDE WITH EXCESS AMMONIA, Department of Chemistry , University of Washington , Seattle, WA, 98195, USA, Department of Chemistry , University of Washington , Seattle, WA, 98195, USA ; Materials and Molecular Research Division Lawrence Berkeley Laboratory , University of California , Berkeley, CA, 94720, USA ; University of Washington, Department of Chemistry , University of Washington , Seattle, WA, 98195, USA ; Materials and Molecular Research Division Lawrence Berkeley Laboratory , University of California , Berkeley, CA, 94720, USA ; University of California, Berkeley, /doi/pdf/10.1080/03086648008078203?needAccess=true, Phosphorus and Sulfur and the Related Elements. In the matrix experiments six IR bands belonging to ammonium thionylimide, NH4: NSO, were observed in the temperature range between 40°K and 90°K. end-of-world/alien invasion of NYC story, I mistakenly revealed name of new company to HR of current company. Why should I acidify twice in the procedure for qualitative analysis of chloride anions? Why do people call an n-sided die a "d-n"? By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. In the matrix experiments six IR bands belonging to ammonium thionylimide, NH 4: NSO, were observed in the temperature range between 40°K and 90°K. Why did ammonium chloride fumes turned pink in this synthesis? Surely, $\ce{H2S}$ gas will evolve. There are multiple sulfur-nitrogen compounds, really. There could be several products, but we would expect some sort of sulfur-nitrogen compound such as $\ce{S4N4}$, a reaction referred to here. This paper's first page (all I can see without a subscription) indicates that sulfur can dissolve in liquid ammonia, producing hydrogen sulfide (as the question correctly states) and... complicated stuff: S 7 N -, which disproportionates into S 4 N - and "an" ammonium polysulfide (maybe (NH 4) 2 S 6, maybe another composition). What would happen when you mix liquid $\ce{NH3}$ and excess of sulphur? In sealed tubes containing liquid ammonia at room temperature several step-wise reactions can be followed. Asking for help, clarification, or responding to other answers. It only takes a minute to sign up. This paper's first page (all I can see without a subscription) indicates that sulfur can dissolve in liquid ammonia, producing hydrogen sulfide (as the question correctly states) and... complicated stuff: S7N-, which disproportionates into S4N- and "an" ammonium polysulfide (maybe (NH4)2S6, maybe another composition). What's the solid product of the reaction of liquid ammonia with excess sulfur? Raman spectra show the presence of sulfate, dithionate, thiosulfate, and the polythionates. To learn more, see our tips on writing great answers. The composition of the samples changes over a period of at least 2 years. The reaction of sulfur dioxide with excess ammonia was studied during warm-up of rare gas matrices and in sealed pressure tubes containing various isotropic species. The results show that the reactions are very fast and the products are mixtures of various types of ammonium−sulfites with (NH4)2SO3 as the main component. Hard to say. Has anyone seriously considered a space-based time capsule? Introduction Irradiation with electron beam was proposed as an effective method for removing NOX and But $\ce{S4N4}$ is a relatively common and well known one. Production of elemental sulfur and ammonium thiosulfate by the oxidation of H2S containing water vapor and ammonia over V/Zr-PILC catalysts. 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