Chirality A molecule is chiral if its two mirror image forms are not superposable upon one another. A molecule is achiral if its two mirror image forms are superposable. ◆ left hand ◆ right hand plus mitten plus mittne left hand ◆ right hand ◆ plus left glove■ plus right glove ◆ ◆ ● ◆ ◆ ◆ ■ left hand right hand left hand right hand plus right glove ◆ plus left glove plus mug plus mug Chirality ❖A molecule is chiral if its two mirror image forms are not superposable upon one another. ❖A molecule is achiral if its two mirror image forms are superposable