Which of the following is/are ture?

Options

A. For the same solution, elevation in boiling point =depression in freezing point.
B. The Van't Hoff factor for a dilute solution of `BaCl_(2)` is `3`.
C. The elevation in boiling point is due to increase in vapour pressure.
D. The depression in freezing point is due to decrease in vapour pressure.

Answer

B, D

Explanation

`BaCl_2 hArr Ba^(o+)+2Cl^(ө)` (after dissociation)
`i=3`