IIT JAM UGC CSIR NET GATE CHEMISTRY

Complete discussion about Dipole Moment, Polarity of bond

      Chemical Bonding:- Chemical bond is not a stick, it is an attraction between atoms, ions or molecules that enables the formation of chemical compounds. The bond may occurs by the electrostatic force of attraction between oppositely charged ions as in ionic bonds or through the sharing of electrons as in covalent bonds

     Dipole moment:- The bond dipole moment uses the idea of electric dipole moment to measure the polarity of a Chemical bond within a molecule. It occurs whenever there is a separation of positive and negative charges.
      The bond dipole  is given by :

${\displaystyle \mu =\delta \,d}$                 

   μ is the dipole moment, d is the distance between two opposite charged species, Delta - is  charged of the species. 

    Polarity of bond:-  The polarity of a bond, is the extent to which bond is polar, it is determined largely by the relative electronegativities of the bonded atoms. Electronegativity (χ) defined as the ability of an atomin a molecule or ion to attract electrons to itself.