Question 1
The tail of the curved arrow must start at ________ electron density and the head must end at ________ electron density.
◦ low, high
◦ high, low
◦ low, low
◦ high, high
◦ none of the above
Question 2
For the following acid-base reaction, identify the correct curved arrow mechanism.


◦ I
◦ II
◦ III
◦ IV
◦ V