The bond length of HCl molecules is $1.275\;A^{\circ}$ and its dipole moment is $1.03\;D$. The ionic character of the molecule (in percent) (charge of the electron $=4.8 \times 10^{-10}\;e.s.u)$ is

Question

\[\begin {array} {1 1} (1)\;100 & \quad (2)\;67.3 \\ (3)\;33.66 & \quad (4)\;16.83\end {array}\]