Question 1
What is the predicted curved arrow mechanism for the reaction shown?

Mechanism:

◦ I
◦ II
◦ III
◦ I and II are equally possible
◦ II and III are equally possible
Question 2
Which reaction mechanism accurately describes this reaction?


◦ I only
◦ II only
◦ I is more common, but II is also a likely mechanism.
◦ II is more common, but I is also a likely mechanism.
◦ It is impossible to tell from the information given.