Use the following vapor pressure data to answer the questions:

Liquid Vapor Pressure, torr Temperature, $\backslash$deg C

A

C$2$H$5$SH

$400$

$17\mathrm{.}7$

B

C$6$H$14$

$400$

$49\mathrm{.}6$

$(1)$ In which liquid are the intermolecular attractive forces the weakest $?$

$(2)$ Which liquid would be expected to have the lowest vapor pressure at $33\mathrm{.}7\backslash$deg C$?$