According to horney, the feeling of being isolated and in a potentially hostile world is called

I believe the answer is: basic anxiety

All people would experienced basic anxiety at some point in our life, even though some may experience them more intensely compared to the other. This anxiety could come from sources such as economic factors, desire to fit into social group, desire to meet parents' expectation, etc.

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.