Answer this pls help me i am waiting for 2028 its the year in which world completely transformed BECAUSE the arrogent western power 300 yesrs rule now American will lost its number 1 superpower status and china will became 1 gdp its amazing i am very happy its a great change god thx for this?​

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.