Compared to pure water, a salt water solution will have a
a. higher freezing point and a lower vapor pressure and boiling point.
b. lower vapor pressure and freezing point and a higher boiling point.
c. higher vapor pressure, freezing point and boiling point.
d. lower vapor pressure, freezing point and boiling point.

lower vapor pressure and freezing point and a higher boiling point

Explanation:

All the properties listed above are colligative properties, they depend on the amount of solute present in a solution.

It is known that a solution has a lower vapour pressure than the corresponding pure solvent due to the presence of a solute. Also the freezing point of a solution is decreased while its boiling point is increased when compared with those of the pure solvent.

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