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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
What would be the electron dot structure of a molecule of sulphur which is made up of eight atoms of sulphur? (Hint – the eight atoms of sulphur are joined together in the form of a ring.)
State one major difference between covalent and ionic bonds.
What type of chemical bonds are formed by carbon? Why?
Explain why, diamond has a high melting point.
Draw an electron dot structure of the following molecule. (Without showing the circle) :
Methane
Give examples for the following:
Two solid covalent compounds.
Explain the bonding in methane molecule using electron dot structure.
Name the types of Hydrocarbons.
Number of valence electrons in a carbon atom is _______.
Complete the following activity.
Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
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