Science, Tech, Math › Science Diprotic Acid Definition Print Science Chemistry Chemical Laws Basics Molecules Periodic Table 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. Anne Marie Helmenstine, Ph.D. Chemistry Expert Ph.D., Biomedical Sciences, University of Tennessee at Knoxville B.A., Physics and Mathematics, Hastings College 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. Learn about our Editorial Process Updated on July 03, 2019 Read More Monoprotic Acid Definition By Anne Marie Helmenstine, Ph.D. Definition: A diprotic acid is an acid that can donate two proton or hydrogen atom per molecule to an aqueous solution. Compare this to a monoprotic acid. Examples: Sulfuric acid (H2SO4) is a diprotic acid. Cite this Article Format mla apa chicago Your Citation Helmenstine, Anne Marie, Ph.D. "Diprotic Acid Definition." ThoughtCo, Jan. 29, 2020, thoughtco.com/definition-of-diprotic-acid-605032. Helmenstine, Anne Marie, Ph.D. (2020, January 29). Diprotic Acid Definition. Retrieved from https://www.thoughtco.com/definition-of-diprotic-acid-605032 Helmenstine, Anne Marie, Ph.D. "Diprotic Acid Definition." ThoughtCo. https://www.thoughtco.com/definition-of-diprotic-acid-605032 (accessed April 26, 2024). copy citation