Selenous acid

chemical compound From Wikipedia, the free encyclopedia

Selenous acid
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Selenous acid, also known as selenious acid, is a chemical compound. Its chemical formula is H2SeO3. It is an acid. It contains hydrogen and selenite ions.

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Properties

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

It is made by dissolving selenium dioxide in water.

Uses

It is used to dye steel a blue-grey color. It is used in the making of organic compounds.

Safety

Selenous acid is very toxic. Just ingesting a small amount can kill a person.

Sources

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