Science, Tech, Math › Science Common Oxoacid Compounds Share Flipboard Email Print Leyo / Wikimedia Commons / Public Domain Science Chemistry Periodic Table Basics Chemical Laws Molecules Projects & Experiments Scientific Method Biochemistry Physical Chemistry Medical Chemistry Chemistry In Everyday Life Famous Chemists Activities for Kids Abbreviations & Acronyms Biology Physics Geology Astronomy Weather & Climate by Anne Marie Helmenstine, Ph.D. Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels. Updated October 23, 2019 Oxoacids are acids that contain a hydrogen atom bonded to an oxygen atom. These acids dissociate in water by breaking this bond and forming hydronium ions and a polyatomic anion. The table below lists common oxoacids and their associated anions. Common Oxoacids and Associated Anions Oxoacid Formula Anion Anion Formula acetic acid CH3COOH acetate CH3COO- carbonic acid H2CO3 carbonate CO32- chloric acid HClO3 chlorate ClO3= chlorous acid HClO2 chlorite ClO2- hypochlorous acid HClO hypochlorite ClO- iodic acid HIO3 iodate IO3- nitric acid HNO3 nitrate NO3- nitrous acid HNO2 nitrite NO2- perchloric acid HClO4 perchlorate ClO4- phosphoric acid H3PO4 phosphate PO43- phosphorous acid H3PO3 phosphite PO33- sulfuric acid H2SO4 sulfate SO42- sulfurous acid H2SO3 sulfite SO32- Continue Reading What Is a Weak Acid? Find Chemistry Definitions From A to Z Know What a Strong Acid Is in Chemistry What Is an Oxyacid in Chemistry? What Is an Arrhenius Acid? Review Your Chemistry Concepts What Is a Monoprotic Acid in Chemistry? Human Body Composition as Elements and Compounds Here's What an Acid Is in Chemistry Learn About the Kinds of Organic Compounds What a dative bond is, with examples Why Hydrofluoric Acid Is a Weak Acid Know the Types of Chemical Reactions (With Examples) Chemistry Vocabulary Terms You Should Know 4 Easy Ways To Make Hydrogen Safely Review of Organic Functional Groups What Is a Peroxide?