Selenous acid
From Wikipedia, the free encyclopedia
Selenous acid, also known as selenious acid, is a chemical compound. Its chemical formula is H2SO3. It is an acid. It contains hydrogen and selenite ions.
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Properties [change]
Selenous acid is a weak acid. It can be heated to make selenium dioxide. It is more stable than sulfurous acid. It can be crystallized as a white solid. It is a weak oxidizing agent. It reacts with bases to make selenites.
Preparation [change]
It is made by dissolving selenium dioxide in water.
Uses [change]
It is used in the bluing of steel. It is used in the making of organic compounds.
Safety [change]
Selenous acid is very toxic. Just ingesting a small amount can kill you.
