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Triselide platinum

Platinum trisalenide is a binary inorganic compound of platinum and selenium with the formula PtSe ₃ , crystals.

Triselide platinum
Are common
Systematic name	Triselide platinum
Traditional names	Selenium platinum
Chem. formula	Ptse ₃
Physical properties
condition	black crystals
Molar mass	431.96 g / mol
Density	7.15 g / cm³

Content

Getting

Recovery of potassium hexachloroplatinate (IV) with formaldehyde in the presence of selenium dioxide and excess alkali:

{\mathsf {K_{2}[PtCl_{6}]+3SeO_{2}+8HCHO+12KOH\ {\xrightarrow {}}\ PtSe_{3}+6KCl+8HCOOK+10H_{2}O}}

{\ displaystyle {\ mathsf {K_ {2} [PtCl_ {6}] + 3SeO_ {2} + 8HCHO + 12KOH \ {\ xrightarrow {}} \ PtSe_ {3} + 6KCl + 8HCOOK + 10H_ {2} O}} }

Physical Properties

Platinum trisylenide forms black crystals.

Chemical Properties

Decomposes on heating:

{\mathsf {PtSe_{3}\ {\xrightarrow {T}}\ PtSe_{2}+Se}}

{\ displaystyle {\ mathsf {PtSe_ {3} \ {\ xrightarrow {T}} \ PtSe_ {2} + Se}}}

Literature

Chemistry Handbook / Editorial: Nikolsky B.P. et al. - 3rd ed., rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.

Source - https://ru.wikipedia.org/w/index.php?title=Platinum Tricelenide&oldid = 80371862

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