- In chemistry, a
polyselenide usually refers to
anions of the
formula (Sen)2-,
where Se is the
atomic symbol for the
element selenium. Many main
group and...
-
attacked by ****xidizing acids. With
strong reducing agents, it
forms polyselenides.
Selenium does not
exhibit the
changes in
viscosity that
sulfur undergoes...
- 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)...
- solution; when
reacted directly with
selenium and tellurium,
alkali metal polyselenides and
polytellurides are
formed along with the
selenides and tellurides...
- Johnson, J. A.; Cook,
Andrew R.; Meisel, Dan (2000). "Oxidation of
Aqueous Polyselenide Solutions. A
Mechanistic Pulse Radiolysis Study". J. Phys. Chem. A. 104...
-
Achieved by the
Dimeric [Ge 2 Se 4 (μ-Se 2 )] 4–
Functional Motif in
Polar Polyselenides A 4 Ge 4 Se 12 (A = Rb, Cs)".
Chemistry of Materials. 29 (21): 9200–9207...
- Two
pairs of
these six Se
atoms are
bonded to each
other to make the
polyselenide Se2−2; the
other two
exist as the
monatomic Se2−. The NbSe6
prisms form...
- 4 U 4 P 4 Se 26 . An
Actinide Compound with a
Mixed Selenophosphate/
Polyselenide Framework and Ion-Exchange Properties".
Journal of the
American Chemical...
- H2O →
NaHSe + NaOH Similarly,
sodium selenide is
readily oxidized to
polyselenides, a
conversion signaled by off-white samples.
Sodium selenide reacts...
-
water or ethanol. In
humid air
sodium hydroselenide is
changed to
sodium polyselenide and
elemental selenium.
Sodium hydroselenide is
slightly reducing. In...
