Advertisement
Advertisement
phosphorus pentoxide
[ pen-tok-sahyd, -sid ]
noun
- a white, deliquescent, crystalline powder, P 2 O 5 , that, depending upon the amount of water it absorbs, forms orthophosphoric acid, metaphosphoric acid, or pyrophosphoric acid, produced by the burning of phosphorus in dry air: used in the preparation of phosphoric acids, as a drying and dehydrating agent, and in organic synthesis.
phosphorus pentoxide
noun
- a white odourless solid produced when phosphorus burns: has a strong affinity for water with which it forms phosphoric acids. Formula: P 2 O 5 (commonly existing as the dimer P 4 O 10 ) Also calledphosphoric anhydride
Discover More
Example Sentences
The selenide was collected and dried in an atmosphere of nitrogen, and then in a vacuum, in presence of phosphorus pentoxide.
Maleic anhydride is obtained by distilling fumaric acid with phosphorus pentoxide.
When heated with phosphorus pentoxide it yields acetone, water and some pseudo-cumene.
The phosphorus combines with the oxygen to form an oxide of phosphorus, known as phosphorus pentoxide.
The lower part of the whole apparatus was inclosed in a thick walled vessel, e, containing a layer of phosphorus pentoxide.
Advertisement
Word of the Day
[fur-kin ]
Meaning and examplesStart each day with the Word of the Day in your inbox!
By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.
Advertisement
Advertisement
Advertisement
Browse