Tetrachloropalladate (II) tetramine palladium (II)

Tetrachloropalladate
Tetrachloropalladate
General
Systematic ; name	Tetrachloropalladate (II) tetramine palladium (II)
Traditional names	vockelen salt
Chem. formula	[Pd (NH 3 ) 4 ] [PdCl 4 ]
Physical properties
condition	pink red crystals
Molar mass	422.77 g / mol
Density	2.6 g / cm³
Classification
Reg. CAS number	13820-44-5
Reg. EINECS number	237-500-5

Tetrachloropalladate (II) tetramine palladium (II) is an inorganic compound, a complex compound of palladium metal with the formula [Pd (NH ₃ ) ₄ ] [PdCl ₄ ], pink-red crystals, poorly soluble in water.

Content

1 Receiving
2 Physical properties
3 Chemical properties
4 Literature

Getting

The reaction of dichlorotetramine palladium and sodium tetrachloropalladate (II) :

{\mathsf {[Pd(NH_{3})_{4}]Cl_{2}+Na_{2}[PdCl_{6}]\ {\xrightarrow {}}\ [Pd(NH_{3})_{4}][PdCl_{4}]+2NaCl}}

{\ displaystyle {\ mathsf {[Pd (NH_ {3}) _ {4}] Cl_ {2} + Na_ {2} [PdCl_ {6}] \ {\ xrightarrow {}} \ [Pd (NH_ {3} ) _ {4}] [PdCl_ {4}] + 2NaCl}}}

Physical Properties

Tetrachloropalladate (II) tetramine palladium (II) forms pink-red crystals of tetragonal syngony , space group P 4 / mnc , cell parameters a = 0.898 nm, c = 0.649 nm, Z = 2.

It is poorly soluble in water.

Chemical Properties

When heated, isomerized in dichlorodiammine palladium :

{\mathsf {[Pd(NH_{3})_{4}][PdCl_{4}]\ {\xrightarrow {180^{o}C}}\ 2Pd(NH_{3})_{2}Cl_{2}}}

{\ displaystyle {\ mathsf {[Pd (NH_ {3}) _ {4}] [PdCl_ {4}] \ {\ xrightarrow {180 ^ {o} C}} \ 2Pd (NH_ {3}) _ {2 } Cl_ {2}}}}

Literature

Inorganic Synthesis Guide: 6 Vol. / Ed. Brower, G. - Moscow : Mir, 1985 .-- V. 5 .-- 360 p.