Which of the following is not a manifest function of education?
a) high-achieving students are most likely to drop out of school
b) high-achieving students are given the chance to do the most difficult jobs
c) high-achieving students are promoted to higher levels of education
d) high-achieving students are rewarded with better grades

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.