A) Surface tension
B) Viscosity
C) Osmotic pressure
D) Vapour pressure
Correct Answer: C
Solution :
\[\pi =\frac{n}{V}=RT\] where, \[\pi =\]osmotic pressure \[n=\]number of moles of solute \[R=\]constant known as solution constant \[T=\]absolute temperature From the equation given above, it is clear that osmotic pressure depends upon the number of moles of the solute per litre of the solution irrespective of the nature of the solute. Hence, osmotic pressure is a colligative property.
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