出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2011/02/17 07:59 UTC 版)
Chlorous acid is a inorganic compound with the formula HClO2. It is a weak acid. Chlorine has oxidation state +3 in this acid. The pure substance is unstable, disproportionating to hypochlorous acid (Cl oxidation state +1) and chloric acid (Cl oxidation state +5):