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प्रश्न
Compare the properties of ionic compounds and covalent compounds.
List four differences in properties between covalent compounds and ionic compounds.
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उत्तर
| Sr. No. | Ionic compound | Covalent compound |
| 1. | Ionic compounds are usually crystalline solids. | Covalent compounds are usually liquids or gases. |
| 2. | Ionic compounds have high melting and boiling points. | Covalent compounds have low melting and boiling points. |
| 3. | Ionic compounds are usually soluble in water. | Covalent compounds are usually insoluble in water. |
| 4. | Ionic compounds conduct electricity when dissolved in water or melted. | Covalent compounds do not conduct electricity. |
| 5. | Ionic compounds are insoluble in organic solvents. | Covalent compounds are soluble in organic solvents. |
Notes
Students should refer to the answer according to their questions.
संबंधित प्रश्न
Explain the bonding in methane molecule using electron dot structure.
Choose the most appropriate answer from the following list of oxides which fit the description.
A covalent oxide of a metalloid.
What type of bond is present in oxygen molecule?
Describe the structure of diamond. Draw a simple diagram to show the arrangement of carbon atoms in diamond.
Why are covalent compounds generally poor conductors of electricity?
One of the following is not an allotrope of carbon. This is:
(a) diamond
(b) graphite
(c) cumene
(d) buckministerfullerene
What are the conditions necessary for the formation of covalent molecules?
What do you understand by polar covalent compounds?
Give two example in following case:
Liquid non polar compounds
Explain the following term with example.
Covalent bond
Draw electron - dot structure and structural formula of methane.
Explain the following briefly.
Pure water does not conduct electricity, but on adding sodium chloride to it, it starts conducting electricity.
Explain the following:
Non-polar covalent compounds are insoluble in water.
Acids dissolve in water to produce positively charged ions. Draw the structure of these positive ions.
Which of the following is a common characteristic of a covalent compound?
Draw the electron dot diagram and structure of magnesium chloride.
Element A has 2 electrons in its M shell. Element B has atomic number 7.
If B is a diatomic gas, write the equation for the direct combination of A and B to form a compound.
Name the anion present in the following compound:
When a barium chloride solution is added to a solution of compound B, a white precipitate insoluble in dilute hydrochloric acid is formed.
List two differences between the properties exhibited by covalent compounds and ionic compounds.
