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

$\begin {array} {1 1} (1)\;1.2:1 & \quad (2)\;2.7 :1 \\ (3)\;3.3:1 & \quad (4)\;1:3.3 \end {array}$

(3) 3.3 :1