Question 1
Which of the following can exist as a
meso isomer?
◦ I
◦ II
◦ III
◦ IV
Question 2
Does the following contain a plane of symmetry?
◦ Yes, because it has at least one chiral center and that is required for a plane of symmetry to exist.
◦ No, because it has a mirror image.
◦ Yes, because it can be divided into two halves that would look identical if reflected in a mirror.
◦ No, because it is achiral.
◦ Yes, because it contains a ring.