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प्रश्न
What is the difference between :
Ionic compounds and covalent compounds
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उत्तर
Ionic compounds, made up of ions, are generally crystalline solids with high melting and boiling points.
They are soluble in water and good conductors of electricity in aqueous solution and molten state.
Covalent compounds, made up of molecules, can exist as soft solids or liquids or gases with low melting and boiling points. They are generally insoluble in water and poor conductors of electricity.
संबंधित प्रश्न
State one major difference between covalent and ionic bonds and give one example each of covalent and ionic compounds.
Describe the structure of diamond. Draw a simple diagram to show the arrangement of carbon atoms in diamond.
Describe the structure of graphite with the help of a labelled diagram.
One of the following is not an allotrope of carbon. This is:
(a) diamond
(b) graphite
(c) cumene
(d) buckministerfullerene
Explain the following term with example.
Covalent bond
Fill in the blank from the choice given in bracket.
The compound that does not have a lone pair of electrons is ___________. (Water, Ammonia, carbon tetrachloride)
Potassium chloride is an electrovalent compound, while hydrogen chloride is a covalent compound, But, both conduct electricity in their aqueous solutions. Explain.
Name a greenish-yellow gas which also bleaches.
The molecular masses of a carbon compound spread over a range of _______.
Which of the following statements are usually correct for carbon compounds? These
- are good conductors of electricity
- are poor conductors of electricity
- have strong forces of attraction between their molecules
- do not have strong forces of attraction between their molecules.
