at-a-ph-of-3-what-is-the-predominant-form-of-an-amino-acid-with-a-pka-of-25-for-

Question

At a pH of 3, what is the predominant form of an amino acid with a pKa of 2.5 for its carboxyl group and 9.5 for its amino group?

Accepted Answer

The carboxyl group is deprotonated, and the amino group is protonated.

Answer

The carboxyl group is protonated, and the amino group is deprotonated.

Answer

Both the carboxyl and amino groups are protonated.

Answer

Both the carboxyl and amino groups are deprotonated.