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Toxic hydrogen selenide fumes can be evolved on exposure to acids.
In acidic conditions, hydrogen selenide gas is made.
It reacts with water to make hydrogen selenide.
In neutral conditions, hydrogen selenide ion, HSe, is most common.
Hydrogen selenide is an extremely toxic, corrosive gas.
Hydrogen selenide is a colorless gas that dissolves in water to make an acidic solution.
Hydrogen selenide can be made by hydrolysis of aluminium selenide.
Hydrogen selenide is an inorganic compound with the formula HSe.
Hydrogen selenide is the acid made from selenide ion.
ZnSe is insoluble in water, but reacts with acids to form toxic hydrogen selenide gas.
Sodium selenide reacts with acids to produce toxic hydrogen selenide gas.
It hydrolyses slowly in water and quickly in mineral acids to form toxic hydrogen selenide gas.
"(e,2e) momentum spectroscopic study of the valence orbitals of hydrogen selenide."
AlSe has been used as a precursor to hydrogen selenide, which is released when the solid is treated with acids.
Selenium and compounds, except hydrogen selenide (as selenium)
It should have properties similar to that of hydrogen selenide and hydrogen telluride, other borderline hydrides.
Hydrogen selenide, also known as hydroselenic acid, selenium hydride, or selane, is a chemical compound.
Hydrogen selenide (HSe) is highly toxic.
Alternatively, sodium selenide can be prepared by the reaction of gaseous hydrogen selenide with metallic sodium at 100 C.
Hydrogen selenide is hazardous, being the most toxic selenium compound and far more toxic than its congener hydrogen sulfide.
The compound was first synthesized in 1884 by Auguste Verneuil by the reaction of hydrogen selenide and cyanamide:
Selenides of electropositive metals: such as aluminium selenide readily hydrolyse, even in moist air, evolving toxic hydrogen selenide gas.
Samples of aluminium selenide must be protected from moisture, because the compound hydrolyzes readily, giving off highly toxic hydrogen selenide gas:
Similar to zinc sulfide, ZnSe is produced as microcrystalline sheets by synthesis from hydrogen selenide gas and zinc vapour.
Water, hydrogen sulfide, and hydrogen selenide react with cyanamide to give urea, thiourea, and selenourea, respectively:
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