Question

Is glycine achiral?

Answer 1

The simple answer is yes.

Explanation:

Glycine, formally `H_2NCH_2CO_2H`, or (more realistically) `H_3N^(+)CH_2CO_2^-` in its zwitterionic form bears no chiral centres, and can be superimposed on its mirror image. Thus, it is an achiral molecule.