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प्रश्न
What are basic salts? How are they formed? Give an example.
दीर्घउत्तर
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उत्तर
Basic salts are salts that contain a hydroxyl group (–OH) along with another negative ion in their composition.
They are formed by the partial neutralisation of a polyacidic base, so that not all the hydroxyl groups of the base are replaced by acid radicals.
Example: Mg(OH)Cl (magnesium hydroxychloride) is a basic salt.
It can be formed by the partial neutralisation of magnesium hydroxide:
\[\ce{Mg(OH)2 + HCl -> Mg(OH)Cl + H2O}\]
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