Difference between revisions of "Strong acid"
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A '''strong acid''' is an [[acid]] which completely dissociates (gives up its [[proton]]s) in [[water]]. Some example strong acids include hydrochloric acid (HCl) and hydrobromic acid (HBr). [[Sulfuric acid]] is also a strong acid but it is a special case; it is [[diprotic]], but only the first hydrogen completely dissociates in water. | A '''strong acid''' is an [[acid]] which completely dissociates (gives up its [[proton]]s) in [[water]]. Some example strong acids include hydrochloric acid (HCl) and hydrobromic acid (HBr). [[Sulfuric acid]] is also a strong acid but it is a special case; it is [[diprotic]], but only the first hydrogen completely dissociates in water. | ||
| − | The [[conjugate base]] for a strong acid is a [[weak base]]. In many cases the conjugate base simply acts as a [[spectator ion]] in a reaction. | + | The [[conjugate base]] for a strong acid is a [[weak base]]. In many cases the conjugate base simply acts as a [[spectator ion]] in a reaction. The highly reactive nature of such acids make them useful in the etching of materials, particularly metals. Strong acids are also used in tanning. |
[[category:Chemistry]] | [[category:Chemistry]] | ||
Revision as of 14:46, December 5, 2007
A strong acid is an acid which completely dissociates (gives up its protons) in water. Some example strong acids include hydrochloric acid (HCl) and hydrobromic acid (HBr). Sulfuric acid is also a strong acid but it is a special case; it is diprotic, but only the first hydrogen completely dissociates in water.
The conjugate base for a strong acid is a weak base. In many cases the conjugate base simply acts as a spectator ion in a reaction. The highly reactive nature of such acids make them useful in the etching of materials, particularly metals. Strong acids are also used in tanning.