Tungsten arsenide

Tungsten arsenide is an inorganic compound of tungsten metal and arsenic with the formula WAs ₂ , black crystals, insoluble in water.

Getting

{\mathsf {W+2As\ {\xrightarrow {620^{o}C}}\ WAs_{2}}}

{\ displaystyle {\ mathsf {W + 2As \ {\ xrightarrow {620 ^ {o} C}} \ WAs_ {2}}}}

{\mathsf {W+2As\ {\xrightarrow {620^{o}C}}\ WAs_{2}}}

{\mathsf {WCl_{6}+2AsH_{3}\ {\xrightarrow {350^{o}C}}\ WAs_{2}+6HCl}}

{\ displaystyle {\ mathsf {WCl_ {6} + 2AsH_ {3} \ {\ xrightarrow {350 ^ {o} C}} \ WAs_ {2} + 6HCl}}}

{\mathsf {WCl_{6}+2AsH_{3}\ {\xrightarrow {350^{o}C}}\ WAs_{2}+6HCl}}

Tungsten arsenide forms black crystals that are insoluble in water.

{\mathsf {WAs_{2}+3O_{2}\ {\xrightarrow {T}}\ WO_{3}+As_{2}O_{3}}}

{\ displaystyle {\ mathsf {WAs_ {2} + 3O_ {2} \ {\ xrightarrow {T}} \ WO_ {3} + As_ {2} O_ {3}}}}

{\mathsf {WAs_{2}+3O_{2}\ {\xrightarrow {T}}\ WO_{3}+As_{2}O_{3}}}

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.
JB Taylor, LD Calvert, MR Hunt. The arsenides of tungsten and molybdenum: WAs ₂ , W ₂ As ₃ , MoAs ₂ , Mo ₂ As ₃ , and Mo ₅ As ₄ // Canadian Journal of Chemistry . - 1965. - V. 43 , no. 11 - p . 3044-3051 . - DOI : 10.1139 / v65-419 .