- R4NCl → (R4N)2Sen + 2 NaCl
Salts of
polyselenides have
often been
characterized by X-ray crystallography.
Polyselenides salts generally feature open chains...
-
attacked by ****xidizing acids. With
strong reducing agents, it
forms polyselenides.
Selenium does not
exhibit the
changes in
viscosity that
sulfur undergoes...
- solution; when
reacted directly with
selenium and tellurium,
alkali metal polyselenides and
polytellurides are
formed along with the
selenides and tellurides...
- BaCO3 + 5 Se → 2 BaSe + 3 SeO2 + CO2
Barium can also
forms a
series of
polyselenide compounds, such as Ba2Se3, BaSe2 and BaSe3. Okamoto, H (August 1991)...
- H2O →
NaHSe + NaOH Similarly,
sodium selenide is
readily oxidized to
polyselenides, a
conversion signaled by off-white samples.
Sodium selenide reacts...
- Al2O3 + 3 H2Se}}}
Alkali metal selenides react with
selenium to form
polyselenides, Se2− n,
which exist as chains.
Tetraselenium tetranitride, Se4N4, is...
-
spirocyclic [Zn(Te4)2]2-.
Polyselenide Graf, Christian; ****oud, Abdeljalil; Mayasree, Oottil; Kleinke,
Holger (2009). "Solid
State Polyselenides and Polytellurides:...
-
water or ethanol. In
humid air
sodium hydroselenide is
changed to
sodium polyselenide and
elemental selenium.
Sodium hydroselenide is
slightly reducing. In...
- Johnson, J. A.; Cook,
Andrew R.; Meisel, Dan (2000). "Oxidation of
Aqueous Polyselenide Solutions. A
Mechanistic Pulse Radiolysis Study". J. Phys. Chem. A. 104...
-
Stephan D.; Fässler,
Thomas F. (December 2008). "Polytellurides and
Polyselenides –
Compounds Containing $_{\infty}^{1}\rm [Te_{6}-Te_{4}]^{4-}$ and [Sn(Se...
