Question

Give the name of two diacidic base and their uses.

Answer 1

Diacidic base:

1. A diacidic base is a base that produces two hydroxide ions when one of its molecules undergoes complete ionization.
2. Diacidic base furnishes two hydroxyl ions $\left({\mathrm{OH}}^{-}\right)$ per molecule in water.

Name of diacidic base and their uses:

1. Calcium hydroxide $\mathrm{Ca}{\left(\mathrm{OH}\right)}_2$: Calcium hydroxide is an odorless white powder. It's used in industrial settings, such as sewage treatment, paper production, construction, and food processing. It also has medical and dental uses.
2. Copper (II) hydroxide $\mathrm{Cu}{\left(\mathrm{OH}\right)}_2$: Copper hydroxide is used as a fungicide. A mixture of copper hydroxide and copper sulfate is also used as insecticides and pesticides. Malachite copper hydroxide is a bright green mineral used as a semiprecious stone for making ornaments.