Sulfur-Nitrogen Compounds: Compounds with Sulfur of Oxidation Number II

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Sulfur hexafluoride is a dense gas used as a nonreactive and nontoxic propellant.

Types of chemical reactions

Sulfur tetrafluoride is a rarely used organic reagent that is highly toxic. Their chlorinated analogs are sulfur dichloride and sulfur monochloride. Sulfuryl chloride and chlorosulfuric acid are derivatives of sulfuric acid; thionyl chloride SOCl 2 is a common reagent in organic synthesis. An important S—N compound is the cage tetrasulfur tetranitride S 4 N 4. Heating this compound gives polymeric sulfur nitride SN x , which has metallic properties even though it does not contain any metal atoms.

Phosphorus sulfides are numerous. The principal ores of copper, zinc, nickel, cobalt, molybdenum, and other metals are sulfides. These materials tend to be dark-colored semiconductors that are not readily attacked by water or even many acids. They are formed by the reaction of hydrogen sulfide with metal salts. The mineral galena PbS was the first demonstrated semiconductor.

AS Chem: Nitrogen & Sulfur

Upgrading these ores, usually by roasting, is costly and environmentally hazardous. Sulfur corrodes many metals via the process called tarnishing. Sulfur-sulfur bonds are a structural component to stiffen rubber, similar to the biological role of disulfide bridges in rigidifying proteins. Because of the heat and sulfur, the process was named vulcanization, after the Roman god of the forge and volcanism.

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Skip to main content. Nonmetallic Elements. Search for:. Sulfur Properties of Sulfur Sulfur burns with blue flame, is insoluble in water, and forms polyatomic allotropes. Learning Objectives Describe the properties of sulfur. Key Takeaways Key Points Sulfur forms polyatomic molecules with different chemical formulas.

Its best-known allotrope is octasulfur, S 8 , which is a soft, yellow solid with faint odor. At temperatures higher than boiling point for octasulfur, depolymerization occurs. Stable allotropes are excellent electrical insulators. Sulfur burns with a blue flame, forming sulfur dioxide with suffocating odor. It is insoluble in water but soluble in carbon disulfide. Higher ionization states exist only with strong oxidants such as fluorine, oxygen, and chlorine. Key Terms depolymerization : The decomposition of a polymer into smaller fragments.

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Naming Chemical Compounds & Writing Chemical Formulas

Sulfur Compounds Sulfur forms stable compounds with most elements except the noble gases. Key Takeaways Key Points Hydrogen sulfide is mildly acidic in water and is extremely toxic. Sulfur can form chains with itself catenation. Polysulfides are formed by reduction of elemental sulfur. Polysulfanes are protonated polysulfides. Reduction of sulfur gives sulfide salts.

Burning sulfur forms the principal sulfur oxides. The sulfur oxides form numerous oxyanions, which are related to numerous acids. Oleum is a solution of pyrosulfuric acid and sulfuric acid. Peroxides convert sulfur into unstable sulfoxides. Sulfur compounds with halogens include sulfur hexafluoride, sulfur dichloride, and chlorosulfuric acid.

Compounds with Sulfur of Oxidation Number II

Thionyl chloride is a common reagent in organic synthesis. Tetrasulfur tetranitride and thiocyanates are compounds of sulfur and nitrogen. In all cases the Ref. XX is the XXth reference in the list of references. If you are the author of this article you do not need to formally request permission to reproduce figures, diagrams etc. If you are the author of this article you still need to obtain permission to reproduce the whole article in a third party publication with the exception of reproduction of the whole article in a thesis or dissertation.

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Download S Sulfur Nitrogen Compounds: Part 3 Compounds With Sulfur Of Oxidation Number Iv 1986

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You do not have JavaScript enabled. Please enable JavaScript to access the full features of the site or access our non-JavaScript page. Issue 4, Previous Article Next Article. From the journal: Dalton Transactions.