Vanadium(V) Oxide

Herausgegeben:Surhone, Lambert M.; Timpledon, Miriam T.; Marseken, Susan F.

• Broschiertes Buch

Produktbeschreibung

High Quality Content by WIKIPEDIA articles! V2O5 is an amphoteric oxide. Thus it reacts with strong non-reducing acids to form solutions containing the pale yellow salts containing dioxovanadium(V) centers: V2O5 + 2HNO3 2VO2(NO3) + H2O It also reacts with strong alkali to form polyoxovanadates, which have a complex structure that depends on pH.If excess aqueous sodium hydroxide is used, the product is a colourless salt, sodium orthovanadate, Na3VO4. If acid is slowly added to a solution of Na3VO4, the colour gradually deepens through orange to red before brown hydrated V2O5 precipitates around pH 2. These solutions contain mainly the ions HVO42 and V2O74 between pH 9 and pH 13, but below pH 9 more exotic species such as V4O124 and HV10O285 predominate. Thionyl chloride converts it to VOCl3: V2O5 + 3SOCl2 2VOCl3 + 3SO2

Produktdetails

• Verlag: Betascript Publishing
• Seitenzahl: 60
• Englisch
• ISBN-13: 9786131055775
• ISBN-10: 6131055777
• Artikelnr.: 29915027