1.

Give scientific reasons:Covalent compounds have low melting and boiling points.

Answer»
  • When substances melt or boil, bonds between the molecules are broken due to heat supplied. 
  • On covalent compounds, the intermolecular forces of attraction are weak.
  • Hence, intermolecular forces in covalent compounds are broken easily due to which they have low melting and boiling points.


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