Difference between revisions of "Base"
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| − | A '''base''' is a [[molecule]] which produces [[hydroxide]] ions when added to water (according to the Arrhenius definition), which accepts H<sup | + | A '''base''' is a [[molecule]] which produces [[hydroxide]] ions when added to water (according to the Arrhenius definition), which accepts H<sup>+</sup> [[ion]]s in a [[chemical reaction]] (according to the [[Bronsted-Lowry theory|Bronsted-Lowry]] definition), or which donates an [[electron]] pair in a reaction (according to the Lewis definition). Bases have a bitter taste and turn red [[litmus paper]] blue. Bases feel slippery when dissolved in water. Most strong bases contain a [[hydroxide]] ion. Bases are indicated by numbers from above 7 to 14 on the pH scale, and are the opposite of [[acids]]. |
==See also== | ==See also== | ||
Latest revision as of 02:44, July 13, 2016
A base is a molecule which produces hydroxide ions when added to water (according to the Arrhenius definition), which accepts H+ ions in a chemical reaction (according to the Bronsted-Lowry definition), or which donates an electron pair in a reaction (according to the Lewis definition). Bases have a bitter taste and turn red litmus paper blue. Bases feel slippery when dissolved in water. Most strong bases contain a hydroxide ion. Bases are indicated by numbers from above 7 to 14 on the pH scale, and are the opposite of acids.
