NEET UG CHEMISTRY MCQ: BIOMOLECULES

1 Medium

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Application +4 | -1

The maximum concentration of zwitter ion of given amino acid will be at

\mathop {N{H_3}}\limits_{\left( {{\text{pKa}} = 9.8} \right)}^ \oplus - C{H_2} - \mathop {C{O_2}H}\limits_{\left( {{\text{pK }}{{\text{a}}_{\text{1}}} = 2.3} \right)}

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Correct option: C

6 (app.)

Option C (6 (app.)) is correct because the isoelectric point (pI) is the average of the pKa values of the carboxyl and amino groups, which is approximately 6.

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