Which of the following is a polar compound?

Identify the option in which the molecules are arranged in the correct order of their dipole moments.

Which of the following compounds has the highest dipole moment $(D)$?

Which of the following molecules has the maximum value of dipole moment?

$A$ diatomic molecule has a dipole moment of $1.2 \ D$. If the bond distance is $1 \ \mathring{A}$,then fractional charge on each atom is.........$\times 10^{-2}$ (Given $1 \ D = 10^{-18} \ esu \ cm$ )

Among the following,the most polar molecule is