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Sedimentation potential is reverse of :...

Sedimentation potential is reverse of :

A

Electro-osmosis

B

Electrophoresis

C

Electrokinetic potential

D

Zeta potential

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding Sedimentation Potential:** - Sedimentation potential refers to the movement of dispersed phase particles under the influence of gravity or centrifugation. It occurs when particles settle in a medium due to the force acting on them. 2. **Analyzing the Options:** - We need to determine which of the provided options is the reverse of sedimentation potential. 3. **Option 1: Electroosmosis:** - Electroosmosis is the movement of the dispersed medium (solvent) under the influence of an electric field, while the movement of dispersed particles is restricted. This is not the reverse of sedimentation potential, as it involves the movement of the medium rather than the particles themselves. 4. **Option 2: Electrophoresis:** - Electrophoresis is the movement of charged colloidal particles in a solution when an electric field is applied. The positively charged particles move towards the negative electrode and negatively charged particles move towards the positive electrode. This process is the opposite of sedimentation potential, where particles are at rest and move due to external forces like gravity or centrifugation. 5. **Option 3: Electrokinetic Potential (Zeta Potential):** - Electrokinetic potential, also known as zeta potential, is the potential difference between the fixed layer of liquid attached to a particle and the diffuse layer of liquid surrounding it. This concept is related to the stability of colloids but is not the reverse of sedimentation potential. 6. **Option 4: Not Applicable:** - The fourth option is not specified in the transcript, but based on the analysis, it is concluded that it is also not the reverse of sedimentation potential. 7. **Conclusion:** - After analyzing all options, it is clear that sedimentation potential is the reverse of electrophoresis. **Final Answer:** Sedimentation potential is the reverse of electrophoresis. ---
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