Ionic EquilibriumHard
Question
When 20 gm of naphthoic acid (C11H8O2) is dissolved in 50 gm of benzene (Kf = 1.72 Kg/m) a freezing point depression of 2K is observed. The van′t hoff factor is
Options
A.0.5
B.1
C.0.2
D.0.4
Solution
ᐃTf = i × KF × m
2 = 1.72 ×
× i
i =
= 0.5
2 = 1.72 ×
× i i =
= 0.5Create a free account to view solution
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