cis - Tetrachloride and amminplatinum

*cis -* Tetrachloride and amminplatinum
cis - Tetrachloride and amminplatinum
Are common
Systematic ; name	cis - tetrachloride and amminplatinum
Traditional names	Sol Kleve
Chem. formula	PtN 2 H 6 Cl 4
Rac formula	cis - [Pt (NH 3 ) 2 Cl 4 ]
Physical properties
condition	bright yellow crystals
Molar mass	370.95 g / mol
Density	3.42 g / cm³
Chemical properties
Water solubility	0.33 0 ; 1.54 100 g / 100 ml
Classification
Reg. CAS number

Cis -Tetrachlorodiammineplatinum (IV) ( Kleve salt) is an inorganic substance, complex ammonium platinum chloride [Pt (NH ₃ ) ₂ Cl ₄ ], bright yellow crystals, poorly soluble in water.

Content

Getting

The effect of concentrated ammonia solution on hydrogen hexachloroplatinate (IV) :

{\mathsf {H_{2}[PtCl_{6}]+4(NH_{3}\cdot H_{2}O)\ {\xrightarrow {}}\ cis{\text{-}}[Pt(NH_{3})_{2}Cl_{4}]\downarrow +2NH_{4}Cl+4H_{2}O}}

{\ displaystyle {\ mathsf {H_ {2} [PtCl_ {6}] + 4 (NH_ {3} \ cdot H_ {2} O) \ {\ xrightarrow {}} \ cis {\ text {-}} [Pt (NH_ {3}) _ {2} Cl_ {4}] \ downarrow + 2NH_ {4} Cl + 4H_ {2} O}}}

Effect of chlorine on Peyrone salt :

{\mathsf {cis{\text{-}}[Pt(NH_{3})_{2}Cl_{2}]+Cl_{2}\ {\xrightarrow {}}\ cis{\text{-}}[Pt(NH_{3})_{2}Cl_{4}]\downarrow }}

{\ displaystyle {\ mathsf {cis {\ text {-}} [Pt (NH_ {3}) _ {2} Cl_ {2}] + Cl_ {2} \ {\ xrightarrow {}} \ cis {\ text { -}} [Pt (NH_ {3}) _ {2} Cl_ {4}] \ downarrow}}}

Physical Properties

Cis-tetrachloride and amminplatinum forms bright yellow crystals, with a slight heating becomes dark green. It is badly dissolved in water.

Chemical Properties

Isomerized by heating:

{\mathsf {cis{\text{-}}[Pt(NH_{3})_{2}Cl_{4}]\ {\xrightarrow {240^{o}C}}\ trans{\text{-}}[Pt(NH_{3})_{2}Cl_{4}]}}

{\ displaystyle {\ mathsf {cis {\ text {-}} [Pt (NH_ {3}) _ {2} Cl_ {4}] \ {\ xrightarrow {240 ^ {o} C}} \ trans {\ text {-}} [Pt (NH_ {3}) _ {2} Cl_ {4}]}}

Reacts with hot concentrated nitric acid :

{\mathsf {cis{\text{-}}[Pt(NH_{3})_{2}Cl_{4}]+2HNO_{3}+2H_{2}O\ {\xrightarrow {100^{o}C}}\ PtO_{2}\downarrow +2NH_{4}NO_{3}+4HCl\uparrow }}

{\ displaystyle {\ mathsf {cis {\ text {-}} [Pt (NH_ {3}) _ {2} Cl_ {4}] + 2HNO_ {3} + 2H_ {2} O \ {\ xrightarrow {100 ^ {o} C}} \ PtO_ {2} \ downarrow + 2NH_ {4} NO_ {3} + 4HCl \ uparrow}}}

Reacts with hot concentrated alkalis :

{\mathsf {cis{\text{-}}[Pt(NH_{3})_{2}Cl_{4}]+6NaOH\ {\xrightarrow {100^{o}C}}\ Na_{2}[Pt(OH)_{6}]\downarrow +2NH_{3}\uparrow +4NaCl}}

{\ displaystyle {\ mathsf {cis {\ text {-}} [Pt (NH_ {3}) _ {2} Cl_ {4}] + 6NaOH \ {\ xrightarrow {100 ^ {o} C}} \ Na_ { 2} [Pt (OH) _ {6}] \ downarrow + 2NH_ {3} \ uparrow + 4NaCl}}}

Reacts with concentrated ammonia solution:

{\mathsf {cis{\text{-}}[Pt(NH_{3})_{2}Cl_{4}]+NH_{3}\cdot H_{2}O\ {\xrightarrow {}}\ [Pt(NH_{3})_{3}Cl_{3}]Cl\downarrow +H_{2}O}}

{\ displaystyle {\ mathsf {cis {\ text {-}} [Pt (NH_ {3}) _ {2} Cl_ {4}] + NH_ {3} \ cdot H_ {2} O \ {\ xrightarrow {} } \ [Pt (NH_ {3}) _ {3} Cl_ {3}] Cl \ downarrow + H_ {2} O}}}

Literature

Lidin R.A. and other Chemical properties of inorganic substances: Proc. manual for universities. - 3rd ed., Corr. - M .: Chemistry, 2000. - 480 p. - ISBN 5-7245-1163-0 .
Ripan R., Chetyanu I. Inorganic chemistry. Metal Chemistry. - M .: Mir, 1972. - T. 2. - 871 p.