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प्रश्न
Explain the following:
Covalent compounds have low melting and boiling point.
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उत्तर
Covalent compounds have low melting and boiling point because the intermolecular forces of attraction among the molecules of covalent compounds are weak. Hence very small amount of heat energy is required to overcome the attraction between the molecules.
संबंधित प्रश्न
Write structural formula of Methane.
What type of bonding would you expect between the following pair of elements?
Carbon and Chlorine
Why is graphite a good conductor of electricity but diamond is a non-conductor of electricity?
A covalent molecule having a double bond between its atoms is ______.
One of the following contains a double bond as well as single bonds. This is:
Match the pairs.
| Group 'A' | Group 'B' |
| a. C2H6 | 1. Unsaturated hydrocarbon |
| b. C2H2 | 2. Molecular formula of an alcohol |
| c. CH4O | 3. Saturated hydrocarbon |
| d. C3H6 | 4. Triple bond |
What is the difference between :
Ionic compounds and covalent compounds
What are Allotropes? Name any two allotropic forms of carbon. Give one use of it.
Explain covalent bond with example.
The electron dot structure of chlorine molecule is:
