Question:
The correct property of colloidal solutions when compared to that of true solutions is:
The correct property of colloidal solutions when compared to that of true solutions is:
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Colligative properties depend on particle number; colloids have fewer particles than true solutions, so osmotic pressure is lower.
Updated On: Jun 19, 2026
- Lower osmotic pressure
- High depression in freezing point
- High elevation in boiling point
- High Vapour pressure
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The Correct Option is A
Solution and Explanation
Step 1: Compare colloidal vs true solutions.
Colloidal solutions have larger solute particles, resulting in a much lower number of particles per unit volume compared to true solutions.
Step 2: Effect on colligative properties.
Osmotic pressure is proportional to particle number; fewer particles in colloids lead to lower osmotic pressure.
Step 3: Final conclusion.
Hence, the correct property is: \[ \boxed{\text{Lower osmotic pressure}} \]
Colloidal solutions have larger solute particles, resulting in a much lower number of particles per unit volume compared to true solutions.
Step 2: Effect on colligative properties.
Osmotic pressure is proportional to particle number; fewer particles in colloids lead to lower osmotic pressure.
Step 3: Final conclusion.
Hence, the correct property is: \[ \boxed{\text{Lower osmotic pressure}} \]
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