Home Chemistry Biomolecules General Observe the pKa values (P 1 -P 3 ) of the gi…
Chemistry Biomolecules General Single Correct MCQ
Published on: August 14, 2026

Observe the pKa values (P 1 -P 3 ) of the given amino acid.

Which form of this amino acid will exist in aqueous solution at pH = 8

A
as dication
B
as monocation
C
as zwitter ion
D
as monoanion

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The correct answer is:
C

In pH range 6.04 – 9.17 the structure is

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