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Alkali salts

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Alkali salts

Alkali salts or basic salts are salts which are the product of the neutralization of a strong base and a weak acid.

Rather than being neutral, as some salts, basic salts, are, as their name suggests, bases. What makes these compounds basic is that the conjugate base from the weak acid hydrolyzes to form a basic solution. In sodium carbonate, for example, the carbonate from the carbonic acid hydrolyzes to form a basic solution. The chloride from the hydrochloric acid in sodium chloride does not hydrolyze, though, so sodium chloride is not basic.

The difference between a basic salt and an alkali is that an alkali is the soluble hydroxide compound of an alkali metal or an alkaline earth metal. A basic salt is any salt that hydrolyzes to form a basic solution. The hydroxide compounds are not salts.

Another definition of a basic salt would be a salt that contains amounts of both hydroxide and other anions. White lead is an example. It is basic lead carbonate, or lead carbonate hydroxide.

These salts are insoluble and are obtained through precipitation reactions.

Examples

Alkaline salts

'Alkaline salts' are often referenced, as the major component of alkaline dishwasher detergent powders.[1]

These salts may include:

Examples of other strongly alkaline salts, include:


See also

References

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