The great gatsby they both hate the person they are married to

That statement is false.
At some point in her life, daisy indeed moved on and decided to married someone that she does not particularly like.
But eversince their moment together, Gatsby never really married to anyone and still can't move on from her.

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.