What is the difference between Electrovalent and Covalent compounds ?

The difference between Electrovalent and Covalent compounds are :

Electrovalent compounds

  • Electrovalent compounds are formed by complete transfer of electrons in KCI (K. + .CI: -- K+ CI-)
  • Electrovalent compounds are made up of ions.
  • Electrovalent compounds are heard, crystalline solids e.g. Na CI, Mg CL2
  • Electrovalent compounds are usually soluble in water but insoluble in non-polar solvents like CI4
  • Electrovalent compounds generally have high melting and boiling points.
  • Electrovalent compounds are good conductors of electricity in the molten state and in aqueous solutions but insulators in the solid state.

Covalent Compounds

  • Covalent compounds are formed by mutual sharing of electrons as in NH3
  • Covalent compounds are made up of molecules.
  • Covalent compounds are usually liquids or gases. E.g. CH4, C2 H6, NH3
  • Covalent compounds are soluble in non-polar solvents like benzene or carbon tetrachloride and in soluble in polar solvents like water.
  • Covalent compounds generally have low melting and boiling points.
  • Covalent compounds are bad conductors of electricity.