Basic Salt
Definition and meaning of Basic Salt in chemistry.
A basic salt is a compound formed by incomplete neutralization of a base with an acid, resulting in a product that contains hydroxide ions (OH-) as part of its chemical structure. These salts exhibit basic properties due to the presence of unreacted hydroxide groups.
In more detail
Basic salts form when a base reacts incompletely with an acid, leaving some hydroxide ions unreacted. The hydroxide ions become incorporated into the crystal structure of the resulting compound, distinguishing basic salts from simple salts produced by complete neutralization. Many basic salts are poorly soluble and precipitate as solid products. Common examples include basic lead chloride (Pb(OH)Cl) and basic copper carbonate (Cu2(OH)2CO3, the mineral malachite), which occur naturally and have industrial applications.
Key facts
| Field | Inorganic Chemistry |
|---|---|
| Chemical Formula (Example) | Pb(OH)Cl |
| Formation | Incomplete neutralization of a base with an acid |
| pH Properties | Basic (pH > 7) |
When lead(II) hydroxide is treated with a limited amount of hydrochloric acid, basic lead chloride (Pb(OH)Cl) forms as a white precipitate, retaining hydroxide ions alongside the chloride ions in its crystal structure.
Frequently asked questions
How do basic salts differ from normal salts?
Normal salts result from complete neutralization of an acid and base with no unreacted hydroxide ions, while basic salts retain hydroxide ions from incomplete neutralization.
Where are basic salts found in nature?
Basic salts occur naturally in minerals like malachite (basic copper carbonate) and are produced industrially during incomplete acid-base reactions.