Technetium Chloride (IV)

Technetium chloride
Technetium chloride
General
Systematic ; name	technetium chloride (IV)
Traditional names	technetium chloride
Chem. formula	Tccl 4
Physical properties
condition	dark red crystals
Molar mass	239.72 g / mol
Density	3.3 g / cm³
Thermal properties
T. bale.	subm. 300 ° C
Classification
Reg. CAS number	14215-13-5
PubChem
Smiles
Inchi

Technetium (IV) chloride is an inorganic compound, a metal salt of technetium and hydrochloric acid with the formula TcCl ₄ , dark red crystals, reacts with water.

Content

1 Receiving
2 Physical properties
3 Chemical properties
4 Literature

Getting

Technetium and chlorine reaction:

{\mathsf {Tc+2Cl_{2}\ {\xrightarrow {400^{o}C}}\ TcCl_{4}}}

{\ displaystyle {\ mathsf {Tc + 2Cl_ {2} \ {\ xrightarrow {400 ^ {o} C}} \ TcCl_ {4}}}}

The reaction of technetium (VII) oxide with carbon tetrachloride :

{\mathsf {Tc_{2}O_{7}+7CCl_{4}\ {\xrightarrow {400^{o}C}}\ TcCl_{4}+7CCl_{2}O+3Cl_{2}}}

{\ displaystyle {\ mathsf {Tc_ {2} O_ {7} + 7CCl_ {4} \ {\ xrightarrow {400 ^ {o} C}} \ TcCl_ {4} + 7CCl_ {2} O + 3Cl_ {2}} }}

Physical Properties

Technetium (IV) chloride forms dark red crystals.

Chemical Properties

Reacts with water:

{\mathsf {TcCl_{4}+2H_{2}O\ {\xrightarrow {}}\ TcO_{2}\downarrow +4HCl}}

{\ displaystyle {\ mathsf {TcCl_ {4} + 2H_ {2} O \ {\ xrightarrow {}} \ TcO_ {2} \ downarrow + 4HCl}}}

With concentrated hydrochloric acid forms chlorocomplexes:

{\mathsf {TcCl_{4}+2HCl\ {\xrightarrow {}}\ 2H_{2}[TcCl_{6}]}}

{\ displaystyle {\ mathsf {TcCl_ {4} + 2HCl \ {\ xrightarrow {}} \ 2H_ {2} [TcCl_ {6}]}}}

Reacts with concentrated hot alkalis :

{\mathsf {TcCl_{4}+4NaOH\ {\xrightarrow {100^{o}C}}\ Tc(OH)_{4}\downarrow +4NaCl}}

{\ displaystyle {\ mathsf {TcCl_ {4} + 4NaOH \ {\ xrightarrow {100 ^ {o} C}} \ Tc (OH) _ {4} \ downarrow + 4NaCl}}}

With chlorides forms complexes:

{\mathsf {TcCl_{4}+2NH_{4}Cl\ {\xrightarrow {}}\ (NH_{4})_{2}[TcCl_{6}]\downarrow }}

{\ displaystyle {\ mathsf {TcCl_ {4} + 2NH_ {4} Cl \ {\ xrightarrow {}} \ (NH_ {4}) _ {2} [TcCl_ {6}] \ downarrow}}}

Literature

Chemical Encyclopedia / Editorial Board: Knunyants I.L. et al. - M .: Soviet Encyclopedia, 1995. - T. 4. - 639 p. - ISBN 5-82270-092-4 .
Lidin R.A. and other Chemical properties of inorganic substances: Textbook. manual for universities. - 3rd ed., Rev. - M .: Chemistry, 2000 .-- 480 p. - ISBN 5-7245-1163-0 .
Ripan R., Chetyanu I. Inorganic chemistry. Chemistry of metals. - M .: Mir, 1972. - T. 2. - 871 p.