Question:
During osmosis, flow of water through a semi-permeable membrane is :
During osmosis, flow of water through a semi-permeable membrane is :
Updated On: Oct 16, 2023
- from solution having higher concentration only
- from both sides of semi-permeable membrane with equal flow rates
- from both sides of semi-permeable membrane with unequal flow rates
- from solution having lower concentration only
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The Correct Option is C
Solution and Explanation
Osmosis is the movement of solvent molecules (usually water) from an area of lower solute concentration to an area of higher solute concentration through a semi-permeable membrane. The flow rate is determined by the concentration gradient, and water moves more rapidly from the side with lower solute concentration to the side with higher solute concentration.
So, the correct option is (C): from both sides of semi-permeable membrane with unequal flow rates
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Concepts Used:
Types of Solutions
Solutions are homogeneous mixtures of two or more substances, where the solute is uniformly dispersed in the solvent. Solutions can be classified into several types based on their composition and properties.
- Gas solutions: These are solutions where gases are dissolved in other gases, such as oxygen and nitrogen in air.
- Liquid solutions: These are solutions where a liquid is dissolved in another liquid, such as ethanol in water.
- Solid solutions: These are solutions where a solid is dissolved in another solid, such as an alloy of copper and zinc.
- Aqueous solutions: These are solutions where water is the solvent, such as saltwater or sugar water.
- Concentrated solutions: These are solutions where a large amount of solute is dissolved in the solvent, resulting in a high concentration.
- Dilute solutions: These are solutions where a small amount of solute is dissolved in the solvent, resulting in a low concentration.
- Saturated solutions: These are solutions where the maximum amount of solute has been dissolved in the solvent at a given temperature and pressure.
- Supersaturated solutions: These are solutions where more solute has been dissolved in the solvent than is normally possible at a given temperature and pressure.
- Colloidal solutions: These are solutions where the size of the dispersed particles is between 1 and 1000 nanometers. These solutions have unique properties such as Brownian motion and Tyndall effect.
Understanding the different types of solutions is important for understanding their properties, behavior, and applications in various fields, such as chemistry, biology, and engineering.