Which last name is shared by multiple presidents that are not related? adams

Ifound the exercise on the internet. attached is the list mentioned above.in order for a compound to be considered optically active it can't have any axis or plan of symmetry. the molecule  shouldn't also  be superimposable on its mirror image.with such considerations, the compounds that are optically active are: -third compound on the first image is optically active; -second and third compound from the second image are optically actives.

Justice and equality, meaning everyone is equal no matter the color of their skin or their persoanlity and everyone has equal rights and is treated fairly.   hope this ! ^.^-ella   < 3