Chemistry - CHEMICAL BONDING Question with Solution | TestHub

Arrange below given compounds in order of increasing dipole moment.
$\left(\mathrm{I}\right)$Toluene
$\left(\mathrm{I}\mathrm{I}\right)$$\mathrm{m}-$dichlorobenzene
$\left(\mathrm{I}\mathrm{I}\mathrm{I}\right)$$\mathrm{o}-$dichlorobenzene
$\left(\mathrm{I}\mathrm{V}\right)\mathrm{p}-$dichlorobenzene