What is Phosphorus(V) chloride?
[[File:Phosphorus pentachloride and Phosphorus trichloride.JPG|thumb|The bottle on the left is phosphorus(V) chloride]] '''Phosphorus(V) chloride''', also known as '''phosphorus pentachloride''', is a [[chemical compound]]. Its chemical formula is PCl<sub>5</sub>. It contains [[phosphorus]] and [[chloride]] [[ion]]s. The phosphorus is in the +5 [[oxidation state]]. ==Properties== Phosphorus(V) chloride is a colorless solid. It is one of the most important phosphorus chlorides. Sometimes it is yellowish. It reacts with hot water to make [[phosphoric acid]] and [[hydrochloric acid]]. ==Preparation== It is made by reacting a lot of [[chlorine]] with [[phosphorus]]. It can also be made by reacting [[chlorine]] with [[phosphorus(III) chloride]]. ==Uses== Phosphorus(V) chloride is used to add chloride to other chemical compounds. ==Safety== Phosphorus(V) chloride is acidic and toxic. It puts off toxic gases when reacted with water. ==Related pages== *[[Phosphorus(III) iodide]] *[[Phosphorus(V) oxide]] *[[Phosphorus(III) oxide]] [[Category:Phosphorus compounds]] [[Category:Chlorine compounds]]