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This reaction is used to produce around 10,000 tonnes of PCl 5 per year (as of 2000). [6] PCl 3 + Cl 2 ⇌ PCl 5 (ΔH = −124 kJ/mol) PCl 5 exists in equilibrium with PCl 3 and chlorine, and at 180 °C the degree of dissociation is about 40%. [6] Because of this equilibrium, samples of PCl 5 often contain chlorine, which imparts a greenish ...
Phosphorus pentachloride, phosphorus pentabromide, and phosphorus heptabromide are ionic in the solid and liquid states; PCl 5 is formulated as PCl 4 + PCl 6 –, but in contrast, PBr 5 is formulated as PBr 4 + Br −, and PBr 7 is formulated as PBr 4 + Br 3 −. They are widely used as chlorinating and brominating agents in organic chemistry.
This page was last edited on 19 September 2017, at 09:26 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
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Hexachlorophosphazene is an inorganic compound with the chemical formula (N P Cl 2) 3.The molecule has a cyclic, unsaturated backbone consisting of alternating phosphorus and nitrogen atoms, and can be viewed as a trimer of the hypothetical compound N≡PCl 2 (phosphazyl dichloride).
PCl 3 is important indirectly as a precursor to PCl 5, POCl 3 and PSCl 3, which are used in many applications, including herbicides, insecticides, plasticisers, oil additives, and flame retardants. For example, oxidation of PCl 3 gives POCl 3 , which is used for the manufacture of triphenyl phosphate and tricresyl phosphate , which find ...
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