Identify the non-polar molecule in the set of compounds given: $HCl, HF, H_2, HBr$.

The order of dipole moments of $H_2O (A)$,$CHCl_3 (B)$,and $NH_3 (C)$ is

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

$A$ covalent molecule $XY$ is found to have a dipole moment of $1.5 \times 10^{-29} \ C \cdot m$ and a bond length of $150 \ pm$. The percent ionic character of the bond will be (in $\%$)

The cyanide ion $(CN^{-})$ and $N_2$ are isoelectronic. However,in contrast to $CN^{-}$,the $N_2$ molecule is chemically inert due to:

Which of the following has a dipole moment of zero?