Q47 / 150 · MHT CET 2017 · Chemistry

For which among the following equimolar aqueous solutions Van't Hoff factor has the lowest value?

A
Aluminium Chloride
B
Potassium Sulphate
C
Ammonium Chloride
Correct answer
D
Urea

Solution

Urea is non-electrolyte and it's Van't hoff factor

(i)

is

1 .

While other are electrolyte, So their

(i)

values are

{AlCl}_{3} = 4

K_{2} {SO}_{4} = 3

{NH}_{4} Cl = 2

Hence, the correct answer is option: 'D'.

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