Answer
$CH_{3}$$CH_{2}$$CH_{2}$$CH_{2}$$CH_{2}$$SH_{}$ has the greater dispersion force.
Work Step by Step
$CH_{3}$$CH_{2}$$CH_{2}$$CH_{2}$$CH_{2}$$SH_{}$ is the larger molar mass of the pair. As the molar mass increases, the dispersion force increases.
