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JEE Main20199 Jan 2019Morning ShiftChemistryBiomoleculesActual

The increasing order of pKa of the following amino acids in aqueous solution is Glycine, Aspartate, Lysine, Arginine.

Options

  1. AArginine < Lysine < Glycine < Aspartate
  2. BAspartate < Glycine < Arginine < Lysine
  3. CGlycine < Aspartate < Arginine < Lysine
  4. DAspartate < Glycine < Lysine < Arginine

Correct answer

D. Aspartate < Glycine < Lysine < Arginine

Step-by-step solution

Hence, the correct order is Aspartate < Glycine < Lysine < Arginine .

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