Acidic oxide
From Wikipedia, the free encyclopedia
An Acidic oxide (sometimes known as an acidic anhydride, but not to be confused with an acid anhydride) is an oxide that either
- reacts with water to form an acid; or
- reacts with a base to form a salt (generally, water is needed for this reaction to proceed).
Examples include:
- Carbon dioxide which reacts with water to produce carbonic acid.
- Sulfur dioxide, which does not form the non-existent sulfurous acid but does react with bases to form sulfites.
- Silicon dioxide, which does not react with water but will react with bases to form silicates
- Chromium trioxide, which reacts with water to form chromic acid.
Acidic oxides are oxides of either nonmetals or of metals in high oxidation states.
