What are ionic compounds? | Chemistry | Extraclass.com
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This video will help you to learn What are ionic compounds?
What are ionic compounds?
An ionic compound is formed due to creation of an ionic bond which is the electrostatic attraction between a positively charged cation and a negatively charged anion
Ionic compounds are generally made up of a metal and a Non-metal for example sodium metal reacts with fluorine non-metal to form ionic compound sodium fluoride
Let’s study the characteristic properties of Ionic Compounds
1. Ionic compounds have high melting and boiling points
Ionic bonds are very strong and a lot of energy is required to break them therefore ionic compounds have high melting and boiling points.
For example, Sodium Chloride boils at one thousand four hundred and thirteen-degree celsius
2. Ionic compounds form a lattice and are very hard and brittle
Strong ionic bonds create crystals in rigid lattice structures.
On applying pressure the alignment of the ions shifts resulting in brittleness.
3. Ionic compounds are soluble in water
Water is a polar compound interacts with ions at the atomic level causing the crystal lattice to break apart
4. Ionic compounds are good insulators but conduct electricity when dissolved in water
ionic solids do not conduct electricity very well because the ions are tightly bound to each other.
Once the ions are dissolved in water, the presence of charged particles distributed throughout the liquid allows the solution to conduct electricity
5. Ionic compounds have higher enthalpies of fusion and vapourization
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