Question

Write two difference between electrovalent and covalent compounds class 10th

Answer 1

         Electrovalent compounds       ║              Covalent compounds

They have a high melting point        ║ They have a low melting point thus

and require high amount of heat      ║ do not require high amount of heat to

to break down the electrostatic        ║breakdown the Vander Waals bond.

bond between them.                         ║

                                                           ║

They are crystalline hard solids        ║They are gaseous,liquid and soft solids

and good conductors of heat and    ║and bad conductors of heat and

electricity(in molten or aqueos state║ electricity(not even in motlten or

for conductivity). Can conduct          ║aqueous state). they do not contain free

because of the free ions as force is ║ thus unable to conduct.[Exceptions:

weakened in other state.                  ║Polar compounds like HCl,NH3,etc.]