Question:
Identify the property of colloidal solutions so that colloidal particles move freely towards respective electrodes under an applied electrical potential.
Identify the property of colloidal solutions so that colloidal particles move freely towards respective electrodes under an applied electrical potential.
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Movement of dispersed particles under an applied electric field is called electrophoresis.
Updated On: Nov 13, 2026
- Brownian motion
- Electrophoresis
- Electroosmosis
- Dialysis
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept
Colloidal particles carry an electric charge, so they migrate in an electric field.
Step 2: Name the property
Movement of the colloidal particles towards the oppositely charged electrodes is called electrophoresis.
Step 3: Eliminate
Brownian motion is random zig-zag motion, electroosmosis is movement of the dispersion medium and dialysis is purification through a membrane.
Final Answer:
The property is electrophoresis. \[ \boxed{\text{(B) }\text{Electrophoresis}} \]
Colloidal particles carry an electric charge, so they migrate in an electric field.
Step 2: Name the property
Movement of the colloidal particles towards the oppositely charged electrodes is called electrophoresis.
Step 3: Eliminate
Brownian motion is random zig-zag motion, electroosmosis is movement of the dispersion medium and dialysis is purification through a membrane.
Final Answer:
The property is electrophoresis. \[ \boxed{\text{(B) }\text{Electrophoresis}} \]
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