Stereochemistry What is stereochemistry? study of the three-dimensional arrangement of atoms in molecules An object that is superimposable on its mirror image is achiral An object that is not superimposable on its mirror image is chiralStereochemistry What is stereochemistry? „ study of the three-dimensional arrangement of atoms in molecules „ An object that is superimposable on its mirror image is achiral „ An object that is not superimposable on its mirror image is chiral