Neferneferure: Difference between revisions

Revision as of 03:54, 8 March 2013

A ball-and-stick model of the peroxodisulfate anion

The structure of the peroxodisulfate anion

The peroxydisulfate ion, S₂O₈²⁻, is a oxyanion. It is commonly referred to as the persulfate ion, but this term also refers to the peroxomonosulfate ion, SO₅²⁻. Approximately 500,000 tons of salts containing this anion are produced annually. Important salts include sodium persulfate (Na₂S₂O₈), potassium persulfate (K₂S₂O₈), and ammonium persulfate ((NH₄)₂S₂O₈). These salts are colourless, water soluble solids that are strong oxidants.^[1]

Applications

Salts of peroxydisulfate are mainly used to initiate the polymerization of various alkenes, including styrene, acryonitrile, and fluoroalkenes. Polymerization is initiated by the homolysis of the peroxydisulfate:

[O₃SO-OSO₃]^2-

\vec{\leftarrow}

2 [SO₄]^-

In addition to its major commercial applications, peroxydisulfate participates in reactions of interest in the laboratory:

Elbs persulfate oxidation
Oxidation of Ag⁺ to Ag²⁺

References

↑ Template:Ullmann

Paediatric Surgeon Sainz from Buckingham, has interests for instance lawn darts, property developers in condo singapore new launch and cheerleading. Gains immense motivation from life by touring places for example Ruins of Loropéni.

[Ullmann-1] Template:Ullmann

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+[[Image:Peroxodisulfate-3D-balls.png|thumb|right|200px|A [[ball-and-stick model]] of the peroxodisulfate anion]]
+[[Image:Peroxodisulfate-2D.png|thumb|right|200px|The structure of the peroxodisulfate anion]]
+The '''peroxydisulfate''' ion, S<sub>2</sub>O<sub>8</sub><sup>2−</sup>, is a [[oxyanion]].  It is commonly referred to as the [[persulfate]] ion, but this term also refers to the [[peroxomonosulfate]] ion, SO<sub>5</sub><sup>2−</sup>.  Approximately 500,000 tons of salts containing this anion are produced annually.  Important salts include [[sodium persulfate]] (Na<sub>2</sub>S<sub>2</sub>O<sub>8</sub>),  [[potassium persulfate]] (K<sub>2</sub>S<sub>2</sub>O<sub>8</sub>), and [[ammonium persulfate]] ((NH<sub>4</sub>)<sub>2</sub>S<sub>2</sub>O<sub>8</sub>).  These salts are colourless, water soluble solids that are strong oxidants.<ref name = Ullmann>{{Ullmann | title = Peroxo Compounds, Inorganic | author =  Harald Jakob, Stefan Leininger, Thomas Lehmann, Sylvia Jacobi, Sven Gutewort | doi = 10.1002/14356007.a19_177.pub2}}</ref>
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+==Applications==
+Salts of peroxydisulfate are mainly used to initiate the polymerization of various alkenes, including styrene, acryonitrile, and fluoroalkenes.  Polymerization is [[radical initiator|initiated]] by the homolysis of the peroxydisulfate:
+:: [O<sub>3</sub>SO-OSO<sub>3</sub>]<sup>2-</sup>   <math>\overrightarrow{\leftarrow}</math>   2 [SO<sub>4</sub>]<sup>-</sup>
+In addition to its major commercial applications, peroxydisulfate participates in reactions of interest in the laboratory:
+* [[Elbs persulfate oxidation]]
+* Oxidation of Ag<sup>+</sup> to Ag<sup>2+</sup>
+==References==
+<references />
+[[Category:Sulfur oxoanions]]
+{{Inorganic-compound-stub}}

Neferneferure: Difference between revisions

Revision as of 03:54, 8 March 2013

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