Chemistry - Liquid Solution Question with Solution | TestHub

$\mathrm{As}\Delta {\mathrm{T}}_f=i{k}_f\mathrm{m}$ For $\begin{array}{rl}& \mathrm{HX}\rightleftharpoons {\mathrm{H}}^{+}+{\mathrm{X}}^{-}\\ & \\ & t=0100\\ & \begin{array}{llll}{t}_{\text{eq }}& (1-0.20)& 0.20& 0.20\end{array}\\ & \\ & \end{array}$ Total no. of moles $=1-0.20+0.20$ $\begin{array}{rl}+0.20& =1+0.20=1.2\\ \therefore \Delta {\mathrm{T}}_f& =1.2\times 1.86\times 0.5\\ & =1.1160\end{array}$ Related Theory The boiling point and freezing point are colligative properties. Due to the addition of solutes, the boiling point tends to increase, and freezing point tends to decrease.