Question:
The isoelectric point of a colloidally dispersed material is the pH value at which:
The isoelectric point of a colloidally dispersed material is the pH value at which:
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Isoelectric point corresponds to zero zeta potential.
Updated On: Mar 24, 2026
- the dispersed phase migrates in an electric field
- the dispersed phase does not migrate in an electric field
- the dispersed phase has pH equal to 7
- the dispersed phase has pH equal to zero
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The Correct Option is B
Solution and Explanation
Step 1: At isoelectric point, net charge on colloidal particles is zero.
Step 2: Hence no migration occurs in electric field.
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