Question

The ratio of the value of any colligative property for BaCl₂ solution and urea solution under similar condition is

Answer 1

3

Answer 2

Colligative properties depend on the number of solute particles.

For urea (non-electrolyte):
$i_{urea} = 1$

For $BaCl_2$ (strong electrolyte):
$BaCl_2(s) \rightarrow Ba^{2+}(aq) + 2Cl^-(aq)$
$i_{BaCl_2} = 3$

Ratio = $\frac{i_{BaCl_2}}{i_{urea}} = \frac{3}{1} = 3$