The normal temperature range of the liquid phase of pure water is 0°C to 100°C. Which of the following solutions will have the largest temperature range for the liquid state?
A) 1 M aqueous ethanol solution
B) 1 M aqueous potassium bromide solution
C) 1 M aqueous acetic acid solution
D) 1 M aqueous magnesium bromide solution
E) 1 M aqueous magnesium sulfate

Question

Quizplus · Accepted Answer

The temperature range of a solution is influenced by its boiling and freezing points. Adding solutes to water raises the boiling point and lowers the freezing point, resulting in a smaller range. Magnesium bromide is a strong electrolyte and will dissociate into ions to a greater extent than the other options. Thus, it will have the most significant effect on the boiling and freezing points, resulting in the largest temperature range.

The Normal Temperature Range of the Liquid Phase of Pure