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प्रश्न
Give the characteristic properties of covalent compounds.
Give two general properties of covalent compounds.
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उत्तर
- Covalent compounds are usually liquids or gases. Only some of them are solids.
- Covalent compounds usually have low melting points and low boiling points.
- Covalent compounds are usually insoluble in water, but they are soluble in organic solvents.
- Covalent compounds do not conduct electricity.
Notes
Students should refer to the answer according to their questions.
संबंधित प्रश्न
Explain why, graphite can be used as a lubricant but diamond cannot.
Describe the structure of diamond. Draw a s imple diagram to show the arrangement of carbon atoms in diamond.
Why is graphite a good conductor of electricity but diamond is a non-conductor of electricity?
What do you understand by polar covalent compounds?
Explain the following term with example.
Homopolymer
Give examples for the following:
Two gaseous polar compounds.
Draw an electron dot diagram to show the formation of the following compound.
Magnesium chloride
[Mg = 12, Cl = 17]
The number of pi-bonds present in benzoic acid molecule are ______.
Statement (A): Covalent compounds are bad conductors of electricity.
Reason (B): Covalent compounds contain charged particles (ions)
Assertion (A): Melting point and boiling point of ethanol are lower than that of sodium chloride.
Reason (R): The forces of attraction between the molecules of ionic compounds are very strong.
