Question

Define the term osmosis and osmotic pressure is the osmotic pressure of a solution a colligative property explain

Answer 1

osmosis is moment of the water molecules from the region of higher concentration to region of lower concentrations
osmotic pressure is tendency to take in water by osmosis

Answer 2

Osmosis : The process of flow of solvent molecules from pure solvent to a solution or from a solution of lower concentration to a solution of higher concentration through a semi-permeable membrane is called osmosis.

Osmotic Pressure : The pressure required to just stop the flow of solvent due to osmosis is called osmotic pressure (π) of the solution.

Yes, the osmotic pressure of a solution is a colligative property. The osmotic pressure is expressed as

π = n RT

V

where, π = osmotic pressure

n = number of moles of solute

V = volume of solution

T = temperature

From the equation, it is clear that osmotic pressure depends upon the number of moles of solute ' n ' irrespective of the nature of the solute.

Hence, osmotic pressure is a colligative property.