Tungsten (VI) Oxytetrafluoride

Tungsten Oxytetrafluoride
Tungsten Oxytetrafluoride
Are common
Systematic ; name	Tungsten (VI) Oxytetrafluoride
Traditional names	tungsten fluoride
Chem. formula	WOF 4
Physical properties
condition	colorless crystals
Molar mass	275.84 g / mol
Density	5.07 g / cm³
Thermal properties
T. melt.	106; 110 ° C
T. Kip.	185.9; 187; 187.5 ° C
Classification
Reg. CAS number	13520-79-1
Pubchem
SMILES
Inchi

Tungsten (VI) oxytetrafluoride is an inorganic compound, an oxo salt of tungsten metal and hydrofluoric acid with the formula WOF ₄ , colorless crystals, reacts with water.

Content

Getting

Effect of hydrofluoric acid on tungsten (VI) oxytetrachloride :

{\mathsf {WOCl_{4}+4HF\ {\xrightarrow {}}\ WOF_{4}+4HCl}}

{\ displaystyle {\ mathsf {WOCl_ {4} + 4HF \ {\ xrightarrow {}} \ WOF_ {4} + 4HCl}}}

Effect of lead fluoride on tungsten (VI) oxide

{\mathsf {WO_{3}+2PbF_{2}\ {\xrightarrow {700^{o}C}}\ WOF_{4}+2PbO}}

{\ displaystyle {\ mathsf {WO_ {3} + 2PbF_ {2} \ {\ xrightarrow {700 ^ {o} C}} \ WOF_ {4} + 2PbO}}}

Physical Properties

Tungsten (VI) oxytetrafluoride forms hygroscopic colorless crystals.

Reacts with water, poorly soluble in carbon tetrachloride and carbon disulfide . Soluble in chloroform and ethanol .

In the cold, it binds ammonia to form an orange adduct of the form WOF ₄ · ½NH ₃ .

Chemical Properties

Reacts with water:

{\mathsf {WOF_{4}+2H_{2}O\ {\xrightarrow {}}\ WO_{3}+4HF}}

{\ displaystyle {\ mathsf {WOF_ {4} + 2H_ {2} O \ {\ xrightarrow {}} \ WO_ {3} + 4HF}}}

Literature

Chemical Encyclopedia / Redkol .: Knunyants I.L. et al. - M .: Soviet Encyclopedia, 1988. - T. 1. - 623 p.
Chemist Handbook / Redkol .: Nikolsky B.P. et al. - 3rd ed., Rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.
Ripan R., Chetyanu I. Inorganic chemistry. Metal Chemistry. - M .: Mir, 1972. - T. 2. - 871 p.