Dictionary,Defintion,Meaning,What is Phosphonic acid, Phosphorus oxychloride, Phosphoric acid, Phosphoric anhydride, Phosphorus

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Home >> Inorganic Chemistry Dictionary >> Phosphonic acid - Phosphorus oxychloride

Your Ad Here	Phosphonic acid H3PO₄, water-soluble, transparent crystals, melting at 42˚C; used as a fertiliser, in soft drinks and flavour syrups, pharmaceuticals, water treatment, and animal feeds and to pickles and rust-proof metals. Also known as orthophosphoric acid. Phosphoric (V) acid (orthophosphoric acid, H3PO4,) a white solid that can be made by reacting phosphorus (V) oxide with water or by heating yellow phosphorus with nitric acid. The naturally occurring phosphates (orthophoric M3 PO₄) are salts of phosphoric (V) acid. It is used in the manufacture of soft drinks.
Phosphoric anhydride P₂O₅, a flammable, dangerous, soft-white deliquescent powder; used as a dehydrating agent, in medicine and sugar refining, and as a chemical intermediate and analytical reagent. Also known as anhydrous phosphoric acid; phosphoric oxide; phosphorus pentoxide. Phosphorus symbol P, a nonmetallic element which belongs to group V of the periodic table; a.m. 15; r.a.m. 30.9738; r.d. 1.82 (white), 220 (red); m.p. 44.1˚C (a-white) b.p 280˚C (a-white). Phosphorus (III) bromide (phosphorus tribromide, PBr3), a colourless liquid made by reacting phosphorus with bromine. It is readily hydrolysed by water to phosphonic acid and hydrogen bromide. Phosphorus (III) bromide is important in organic chemistry, being used to replace a hydroxyl group with a bromine atom.
Phosphorus (III) chloride (phosphorus trichloride, PCI3) a colourless liquid formed form the reaction of phosphorus with chlorine. It is rapidly hydrolysed by water to phosphonic acid and hydrogen chloride. Phosphorus (III) chloride is used in organic chemistry to replace a hydroxyl group with a chlorine atom. Phosphorus (V) bromide (phosphorus pentabromide, PBr5), a yellow crystalline solid that sublimes easily. It can be made by the reaction of bromine and phosphorus (III) bromine and phosphorus (V) bromide is readily hydrolysed by water to phosphoric (V) bromide which is readily hydrolysed by water to phosphoric (V) acid and hydrogen bromide. Its main used is in organic chemistry to replace a hydroxyl group with a bromine atom.	Your Ad Here
Phosphorus acid H₃PO₃, alcohol-and water-soluble deliquescent white or yellowish crystals; decomposes at 200˚C; used as an analytical reagent and reducing agent. Phosphorus nitride P₃N₅, amorphous white solid that decomposes in hot water; insoluble in cold water, insoluble in cold water, soluble in organic solvents; used to dope semiconductors. Phosphorus oxide an oxygen compound of phosphorus; examples are phosphorus monoxide (P₂O), phosphorus trioxide (P₂O₃), phosphorus suboxide (P₄O).
Your Ad Here	Phosphorus oxychloride POCI₃, toxic, colorless, fuming liquid with pungent aroma; boils at 107˚C; decomposes in water or alcohol causes skin burns; used as a catalyst, chlorinating agent, and in manufacture of various anhydrides. Also known as phosphoryl chloride. Phosphorus pentabromide PBr5, yellow crystals, decomposing at 106˚C and in water; used in organic synthesis. Also known as phosphoric bromide; phosphoric perbromide; phosphorus bromide.

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