Brønsted acid 

https://doi.org/10.1351/goldbook.B00744
A @M03986@ capable of donating a @H02904@ (@P04906@) to a base, (i.e. a '@H02904@ donor') or the corresponding @CT01038@. For example: H2O, H3O+, CH3CO2H, H2SO4, HSO4−, HCl, CH3OH, NH3.
See also: conjugate acid–base pair
Source:
PAC, 1994, 66, 1077. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1091 [Terms] [Paper]
Citation: 'Brønsted acid' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.B00744 RIS BibTex EndNote
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Last revised: February 24, 2014