$\begin{aligned}
& \mu_{\mathrm{HBr}}=0.78 \mathrm{D} \
& \mu_{\mathrm{H}2 \mathrm{~S}}=0.95 \mathrm{D} \
& \mu{\mathrm{NF}3}=0.24 \mathrm{D} \
& \mu{\mathrm{CHCl}_3}=1.01 \mathrm{D}
\end{aligned}Hencedipolemomentof\mathrm{NF}_3 < \mathrm{HBr} < \mathrm{H}_2 \mathrm{~S} < \mathrm{CHCl}_3$