Assertion :Isoelectric point is the pH at which colloidal can move towards either of electrode. Reason: At isoelectric point, colloidal particles become electrically neutral.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
The isoelectronic point or isoionic point is the pH at which the amino acid does not migrate in an electric field. This means that it is the pH at which the amino acid is neutral i.e. the Zwitter ion form is dominant.
So, at this point, colloidal particles can move towards either of electrode.

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