Avisiting curriculum evaluation team criticized a school district for teaching too much inert knowledge. a disadvantage, they said, is that, according to educational psychologists, inert knowledge is:

Teaching too much inert knowledge can be a waste of education as this kind of knowledge can not help students in realistic problem solving situations. Inert knowledge is information that can be expressed but not used. An example of this is learning too much theory, most of which does not apply to real life problems.

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.