Question

define electric dipole moment write its Si units

Answer 1

The electric dipole moment is a measure of the separation of positive and negative electrical charges within a system, that is, a measure of the system's overall polarity. The SI units for electric dipole moment are coulomb-meter (C. · m); however, the most common unit is the debye (D).

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Answer 2

Answer:

--> Dipole moment is a measure of polarity of a chemical bond between      

    two atoms  in a molecule.

--> Its S.I unit is Cm [ Coulomb metre]

--> Its common unit is Debye(D).

--> 1D = 3.33×10⁻³ Cm.

--> The important significance of dipole moment is :

    Predicting   the nature of the molecules- that is molecules with zero      

    dipole moment  are non polar while the molecule with specific dipole

    moment are polar in nature.