Which of the following 0. 1M aqueous solution will have lowest...

Potassium sulphate $\left({K}_{2}{SO}_{4}\right), i = 3$

Sodium chloride \left(NaCl\right), i = 2$</p><p>Urea,$i = 1$</p><p>Glucose,$i = 1$</p><p>Greater the value of$i$, greater lowering in freezing point and hence, lower will be the freezing temperature.</p><p>Therefore,${K}_{2}{SO}_{4} solution has the lowest freezing point.