H2Se: Hydrogen selenide. Red selenium

The most toxic selenium compound!

Despite the fact that it is the most toxic selenium compound, it is very difficult to get poisoned by it because of its tendency to oxidize with the formation of much less toxic red selenium. So, I will get hydrogen selenide through the reaction of sodium selenide with hydrochloric acid and the hydrolysis of aluminum selenide.
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Видео H2Se: Hydrogen selenide. Red selenium канала ChemicalForce