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More than three million carbon compounds have been discovered in the field of chemistry. The diversity of these compounds is due to the capacity of carbon atoms for bonding with one another as well as with other atoms. Most of the carbon compounds are poor conductors of electricity and have low melting and boiling points.
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.
State the reason why (i) carbon compounds have low melting and boiling points. (ii) carbon compounds do not conduct electricity. (iii) carbon can form only covalent compounds.
List two differences between the properties exhibited by covalent compounds and ionic compounds.
Carbon compounds have low melting and boiling points. Why ?
(i) State reasons why (1) Carbon forms strong bonds and stable compounds with most other elements. (2) The melting and boiling points of covalent compounds are low. (ii) Draw the electron dot structure for the molecule of Chlorine (Atomic number 17).
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