When common salt is dissolved in water the,

Options

A. partial pressure of the solution decreases
B. melting point of the solution increases
C. boiling point of the solution increases
D. vapour pressure of the solution decreases

Answer

C,D

Explanation

When one mole of NaCl is dissolved in water in ionizes to give one mole `Na^(+)` and Cl ions each. Hence number of moles in the solution increases which affects the colligative properties.
Henc (C) and (D) are correct answers.