Home
Class 11
CHEMISTRY
Define the dipole moment. Why the BF3 mo...

Define the dipole moment. Why the `BF_3` molecule dipole moment is zero?

Text Solution

Verified by Experts

Dipolemoment : Dipolemoment is the product of the magnitude of the charge and the distance between the centres of positive and negative charges. It is designated by `mu`.
Dipolemoment `(mu)` = Charge (Q) `xx` distance (r) between the charges.
Units of dipolemoment are Debye units (D)
In polyatomic molecules the dipolemoment of the molecule is the resultant of vector sum of the dipolemoment of various bonds.
`BF_(3)` molecule has symmetric planar triangular structure. The three equal bond dipoles point to the corners of a triangle at an angle of `120^(@)` and cancel the effect on each other.

The three bond moments give a net sum of zero as the resultant of any two is equal and opposite to the third.
Promotional Banner

Topper's Solved these Questions

  • MODEL PAPER 6

    VGS PUBLICATION-BRILLIANT|Exercise SECTION - C|3 Videos

  • MODEL PAPER 6

    VGS PUBLICATION-BRILLIANT|Exercise SECTION - C|3 Videos

  • MODEL PAPER 5

    VGS PUBLICATION-BRILLIANT|Exercise SECTION - C|3 Videos

Similar Questions

Explore conceptually related problems

Molecule with zero dipole moment is

The molecule having zero dipole moment is

A: Water molecule has zero dipole moment R: In water molecule dipole moment of the two O-H bonds cancel each other.

Dipole moment is least in the molecule

The dipole moment of BF_(3) is zero because

Define dipole moment. Give the mathematical expression of dipole moment

S.I. unit for dipole moment is

Identify the correct statements from the following. (1) The dipole moment of CO_(2) and BF_(3) is zero (2) The dipole moment of NF_(3) is higher than the diople moment of NH_(3) (3) The dipole moment of HI is lower than the dipole moment of HCl

Maximum dipole moment will be of :