Answer
Please see the work below.
Work Step by Step
$SbCl_{5}$ does not obey the octet rule.
Antimony (sb) is the fourth element of the group 5A. It contains 5 electrons in its valence shell. And hence in $SbCl_{5}$, there are 10 electrons in the valence shell of Sb. This molecule is an example of an expanded octet.
