First slide

Theory of dilute solutions

Question

Equimolal solutions A and B show depression in freezing point in the ratio 2 : 1. A remains in the normal state in solution. B will be

Moderate

A

Normal in solution
B

Dissociated in solution
C

Associated in solution
D

Hydrolysed in solution

Solution

$\frac{∆ T_{f_{A}}}{∆ T_{f_{B}}} = \frac{2}{1} = \frac{1}{1 / 2}, i . e; B s h o u l d a s s o c i a t e t o s h o w h i g h e r ∆ T .$

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