What type of reactive intermediate is involved in both of the following general reaction types?
1)
reaction of an alkene with Br2 in the presence of water to give a bromohydrin
2)
two-step hydroxylation of an alkene
a.
carbocation
b.
carbanion
c.
radical
d.
cyclic bromonium ion
e.
cyclic ion
Question 2
What type of reactive intermediate is formed in the reaction of an alkene with HBr to give a bromoalkane?
a.
carbocation
b.
carbanion
c.
radical
d.
cyclic bromonium ion