The telephone game is often played by children. one child creates a story and whispers it to a second child, who does the same to a third child, and so on. when the last child recites the story to the group, his or her reproduction of the story is generally shorter than the original and contains many omissions and inaccuracies. this game shows how memory is a process.

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.

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