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The "isoelectric point" of a colloidal particle refers to the pH at which:

Option: 1

The particle has no charge and is electrically neutral


Option: 2

The particle has the highest positive charge


Option: 3

The particle has the highest negative charge


Option: 4

The particle is at its highest stability


Answers (1)

best_answer

The isoelectric point is the pH at which the colloidal particle carries no net charge, and the electrical double layer collapses. At this point, the colloidal particles tend to aggregate and coagulate.

Hence option 1 is correct.

Posted by

jitender.kumar

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