Difference between a liar and social anxiety

The difference between a liar and social anxiety is huge. If a person is a regular liar, their intension would be not good as they try to avoid consequences that they need to face which can affect others around them. Whereas social anxiety is more of a personal issue where a person has difficulty public speaking, socialising or having any contact with other people.

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.