Atomistry » Tungsten » Compounds » Tungsten Oxybromides
Atomistry »
  Tungsten »
    Compounds »
      Tungsten Oxybromides »

Tungsten Oxybromides

Two oxybromides of tungsten, WO2Br2 and WOBr4, are known. When bromine vapour is passed over red-hot tungsten dioxide, when a mixture of bromine vapour and air is passed over metallic tungsten, or when the pentabromide is passed over heated tungsten trioxide, both oxybromides are formed, and are separated by taking advantage of the fact that the oxy bromide, WOBr4, is the more readily volatile.

The dioxydibromide, WO2Br2, forms light red, transparent, infusible crystals which yield a yellow powder; the vapour is slightly decomposed into the trioxide and the oxybromide, WOBr4. It is unacted upon by cold water.

The oxytetrabromide, WOBr4, forms readily fusible, dark brown, lustrous needles of melting-point 277° C. and boiling-point 327° C. It is deliquescent and is decomposed by water.

Last articles

Zn in 7M6U
Zn in 7NNG
Zn in 7NEE
Zn in 7NEU
Zn in 7M3K
Zn in 7KWD
Zn in 7KYH
Zn in 7KNG
Zn in 7KY2
Zn in 7KYF
© Copyright 2008-2020 by atomistry.com
Home   |    Site Map   |    Copyright   |    Contact us   |    Privacy