Steve was sure he answered at least 70 questions correctly on his biology test. in fact, he was right on only 55 items. steve's misjudgment of his test performance illustrates select one: a. confirmation bias. b. overconfidence. c. the framing effect. d. belief perseverance.

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.

Abecause it’s just i.s. i learned this