Question

The increasing order of pKa of the following amino acids in aqueous solution is :

$Gly$

$Asp$

$Lys$

$Arg$

• A. $Asp<Gly<Arg<Lys$
• B. $Arg<Lys<Gly<Asp$
• C. $Gly<Asp<Arg<Lys$
• D. $Asp<Gly<Lys<Arg$

Answer 1

The correct option is D $Asp<Gly<Lys<Arg$