Define Osmotic pressure and Arrange the following solutions in increasing order of osmotic pressure?

Options

A. `34.2g L^(-1)` of sucrose
B. `60g L^(-1)` of urea
C. `90g L^(-1)` of glucose
D. `58.5g L^(-1)` of `NaCl`.

Explanation

### Step-by-Step Text Solution

**Step 1: Define Osmotic Pressure**
Osmotic pressure (π) is defined as the pressure required to stop the flow of solvent through a semi-permeable membrane when a solution is separated from pure solvent. It is a colligative property, meaning it depends on the number of solute particles in a solution rather than the identity of the solute. The formula for calculating osmotic pressure is given by:

\[ \pi = iCRT \]
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