Zach is starting to construct a table. What should he write first?
A. Column headings that summarize the table's contents
O
O
B. A title describing what information the table presents
O
C. Entries that are arranged in alphabetical order
O
D. Entries arranged across the top of the table

Hey here is your answer

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.