$A$ neutral molecule $XF_3$ has a zero dipole moment. The element $X$ is most likely

Dipole moment of $HCl = 1.03 \ D$ and $HI = 0.38 \ D$. Bond length of $HCl = 1.3 \ \mathring{A}$ and $HI = 1.6 \ \mathring{A}$. The ratio of the fraction of electric charge,$\delta$,existing on each atom in $HCl$ and $HI$ is:

For which of the following molecules is the dipole moment $\mu \ne 0$?

The molecule with non-zero dipole moment is

Which of the following has the highest dipole moment?

The cyanide ion,$CN^{-}$ and $N_2$ are isoelectronic. But in contrast to $CN^{-}$,$N_2$ is chemically inert because of