Aselenonic acid is anorganoselenium compound containing the−SeO3Hfunctional group. The formula of selenonic acids isR−Se(=O)2−OH, where R isorganyl group. Selenonic acids are theseleniumanalogs ofsulfonic acids.[1] Examples of the acid are rare. Benzeneselenonic acidPhSeO3H (where Ph stands forphenyl) is a white solid. It can be prepared by the oxidation ofbenzeneselenol.[2]
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