IFFERENCES BETWEEN IONIC COMPOUNDS AND COVALENT COMPOUNDS
Ionic compounds | Covalent compounds |
They are usually crystalline solids. | They are usually liquids or gases. Only some of them are solids. |
They have high melting points and boiling points. That is, ionic compounds are non-volatile. | They have usually low melting points and boiling points. That is, covalent compounds are usually volatile. |
They conduct electricity when dissolved n water or melted. | They do not conduct electricity. |
They are usually soluble in water. | They are usually insoluble in water (except, glucose, sugar, urea, etc.). |
They are insoluble in organic solvents (like alcohol, ether, acetone, etc.). | They are soluble in organic solvents. |
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