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JEE CHEMISTRY MCQ: SURFACE CHEMISTRY
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Medium
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Understanding
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The isoelectric-point of a colloidally dispersed material is the value at which
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Correct option: B
the dispersed phase does not migrate in an electric field
Option B (the dispersed phase does not migrate in an electric field) is correct because the isoelectric point is the pH at which the net charge of the colloidal particles is zero, so they don't move in an electric field.
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