Zirconium (III) bromide

Zirconium bromide
Zirconium bromide
Are common
Systematic ; name	Zirconium (III) bromide
Traditional names	Zirconium bromide
Chem. formula	ZrBr 3
Physical properties
condition	black crystals
Molar mass	330.95 g / mol
Thermal properties
T. melt.	decomp. 350 ° C
Like heat resistant.	99.6 J / (mol · K)
Enthalpy of Education	-636 kJ / mol
Classification
PubChem
Smiles
Inchi
ChemSpider

Zirconium (III) bromide is an inorganic compound, a salt of zirconium metal and hydrobromic acid with the formula ZrBr ₃ , black crystals, reacts with water.

Content

Getting

Reduction of zirconium (IV) bromide with hydrogen :

{\mathsf {ZrBr_{4}+H_{2}\ {\xrightarrow {450^{o}C}}\ ZrBr_{3}+2HBr}}

{\ displaystyle {\ mathsf {ZrBr_ {4} + H_ {2} \ {\ xrightarrow {450 ^ {o} C}} \ ZrBr_ {3} + 2HBr}}}

Zirconium (IV) bromide reduction with zirconium:

{\mathsf {3ZrBr_{4}+Zr\ {\xrightarrow {500^{o}C}}\ 4ZrBr_{3}}}

{\ displaystyle {\ mathsf {3ZrBr_ {4} + Zr \ {\ xrightarrow {500 ^ {o} C}} \ 4ZrBr_ {3}}}}

Reduction of zirconium (IV) bromide with aluminum :

{\mathsf {3ZrBr_{4}+Al\ {\xrightarrow {350^{o}C}}\ 3ZrBr_{3}+AlBr_{3}}}

{\ displaystyle {\ mathsf {3ZrBr_ {4} + Al \ {\ xrightarrow {350 ^ {o} C}} \ 3ZrBr_ {3} + AlBr_ {3}}}}

Physical Properties

Zirconium (III) bromide forms black crystals of hexagonal syngony .

Chemical Properties

Reacts with water:

{\mathsf {2ZrBr_{3}+2H_{2}O\ {\xrightarrow {}}\ 2ZrOBr_{2}+H_{2}\uparrow +2HBr}}

{\ displaystyle {\ mathsf {2ZrBr_ {3} + 2H_ {2} O \ {\ xrightarrow {}} \ 2ZrOBr_ {2} + H_ {2} \ uparrow + 2HBr}}}

Disproportionate when heated:

{\mathsf {2ZrBr_{3}\ {\xrightarrow {350^{o}C}}\ ZrBr_{4}+ZrBr_{2}}}

{\ displaystyle {\ mathsf {2ZrBr_ {3} \ {\ xrightarrow {350 ^ {o} C}} \ ZrBr_ {4} + ZrBr_ {2}}}}

{\mathsf {4ZrBr_{3}\ {\xrightarrow {827^{o}C}}\ 3ZrBr_{4}+Zr}}

{\ displaystyle {\ mathsf {4ZrBr_ {3} \ {\ xrightarrow {827 ^ {o} C}} \ 3ZrBr_ {4} + Zr}}}

Literature

Chemical Encyclopedia / Editorial: Zefirov N.S. et al. - M .: Big Russian Encyclopedia, 1998. - V. 5. - 783 p. - ISBN 5-85270-310-9 .
Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 3rd ed., rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.
Ripan R., Chetyanu I. Inorganic chemistry. Chemistry of metals. - M .: Mir, 1972. - T. 2. - 871 p.