Question:
Match List I and List IIList II List II A. Osmosis I. Solvent molecules pass through semi permeable membrane towards solvent side. B. Reverse osmosis II. Movement of charged colloidal particles under the influence of applied electric
potential towards oppositely charged electrodes. C. Electro osmosis III. Solvent molecules pass through semi permeable membrane towards solution side. D. Electrophoresis IV. Dispersion medium moves in an electric field.
Choose the correct answer from the options given below :
Match List I and List II
Choose the correct answer from the options given below :
| List II | List II |
|---|---|
| A. Osmosis | I. Solvent molecules pass through semi permeable membrane towards solvent side. |
| B. Reverse osmosis | II. Movement of charged colloidal particles under the influence of applied electric potential towards oppositely charged electrodes. |
| C. Electro osmosis | III. Solvent molecules pass through semi permeable membrane towards solution side. |
| D. Electrophoresis | IV. Dispersion medium moves in an electric field. |
Updated On: Mar 20, 2025
- A-I, B-III, C-IV, D-II
- A-III, B-I, C-IV, D-II
- A-III, B-I, C-II, D-IV
- A-I, B-III, C-II, D-IV
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The Correct Option is B
Solution and Explanation
- Osmosis: The movement of solvent molecules through a semi-permeable membrane towards a solution side (III).
- Reverse Osmosis: Solvent molecules are forced in the reverse direction, from the solution side to the solvent side, under applied pressure (I).
- Electro osmosis: The dispersion medium moves under the effect of an electric field (IV)
- Electrophoresis: Charged colloidal particles move under the influence of an electric potential to oppositely charged electrodes (II).
Hence, the correct match is A-III, B-I, C-IV, D-II.
- Reverse Osmosis: Solvent molecules are forced in the reverse direction, from the solution side to the solvent side, under applied pressure (I).
- Electro osmosis: The dispersion medium moves under the effect of an electric field (IV)
- Electrophoresis: Charged colloidal particles move under the influence of an electric potential to oppositely charged electrodes (II).
Hence, the correct match is A-III, B-I, C-IV, D-II.
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Concepts Used:
Classification of Colloids
Based on the Nature of Interaction Between Dispersed Phase and Dispersion Medium:
- Hydrophilic colloids: These are water-loving colloids. The colloid particles are attracted to the water. They are also known as reversible sols. Examples include Agar, gelatin, pectin, etc
- Hydrophobic colloids: These are the opposite in nature to hydrophilic colloids. The colloid particles are repelled by water. They are also called irreversible sols. Examples include Gold sols, clay particles, etc
Based on Type of Particles of Dispersed Phase:
- Multimolecular Colloids: A large number of smaller molecules of a substance add on together on mixing and form species that are in the colloidal range.
- Macromolecular Colloids: In this colloid, the macromolecule forms a solution with a solvent. The size of particles remains in the range of colloidal particle size. Here, the colloidal particles are macromolecules having a very large molecular mass.
- Associated Colloids: Few substances react as strong electrolytes when they are in low concentration, but act as colloidal sols when they are in high concentration. In high concentration, particles aggregate and show colloidal behaviour and these particles are known as the micelles. They are also known as associated colloids. The formation of micelles occurs above a certain temperature and specific concentration. These colloids can be reverted by diluting it.