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The '''Arrhenius theory''' is an explanation given for [[acids]] and [[base]]s in [[chemistry]] that defines as such: an acid will dissociate in water to release positively-charged hydrogen [[ions]] (H<sup>+</sup>), and a base will dissociate in water to release negatively-charged [[hydroxide]] (OH<sup>-</sup>) ions. The theory was introduced in 1887 by [[Svante Arrhenius]], a Swedish scientist. While the idea does give helpful insight on the functional nature of acids and bases, it is outdated and inaccurate on its theory regarding the dissociation of acids; hydrogen ions, which are merely [[protons]], don't exist by themselves in solution due to their instability and thus immediately bond to nearby un-dissociated molecules.
==External links==
*[https://www.britannica.com/science/Arrhenius-theory Arrhenius theory - Encyclopedia Britannica]
[[Category:Acids]]
[[Category:Bases]]
[[Category:Acid–base chemistry]]