The increasing order of p K a of the following amino acids in aqueous solution is Gly, Asp, Lys, Arg

Question

The increasing order of p K a of the following amino acids in aqueous solution is Gly, Asp, Lys, Arg, Asp < Gly < Arg < Lys, Arg < Lys < Gly < Asp, Gly < Asp < Arg < Lys, Asp < Gly < Lys < Arg

MARKS App · Accepted Answer

Order of acidic strength K a ∝ number of —COOH groups ∝ 1 n o . o f — N H 2 g r o u p s So, p K a ∝ 1 K a Asp < Gly < Lys < Arg

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