The molecule with the highest dipole moment among the following is

Question

The molecule with the highest dipole moment among the following is (A) NH3 (B) NF3 (C) CO (D) HF

Tardigrade Admin · Accepted Answer

The dipole moment of a molecule depends upon the electronegativity difference of the different atoms and on the geometry of a molecule.
Symmetrical molecules have zero dipole moment. As in all the given cases molecules are unsymmetrical, so they will have non-zero dipole moment. Therefore, here dipole moment depends upon the electronegativity difference of atoms.
Among the given molecules

H F

has the highest dipole moment, because there is large difference in electronegativity between

H

and

F

atom

Q. The molecule with the highest dipole moment among the following is

$N H_{3}$

$N F_{3}$

$CO$

$H F$

Q. The molecule with the highest dipole moment among the following is

NH3​

NF3​

CO

HF

$N H_{3}$

$N F_{3}$

$CO$

$H F$