BRAINCAKE

Zwitterions

OCR A-level Organic ChemistryAmino AcidsLesson 2 of 5

The acidic carboxyl group and basic amine group of the amino acid can react and form an internal salt called a zwitterion. The carboxyl group donates a proton to the amine group. The zwitterion has no overall charge as the negative COO- and positive NH3+ groups cancel each other out.

Diagram

Sign in free to see the rest of this lesson, the R.E.C.I.P.E. recall steps and the quiz

BrainCake is free. Make an account in seconds and pick up where this page stops.

More in Amino Acids

All 5 lessons in Amino Acids · All OCR A-level Organic Chemistry topics