Which of the Following Steps Would You Expect to Occur

question 79

Multiple Choice

Which of the following steps would you expect to occur in the addition reaction mechanism?
I.electrophilic attack on the unsaturated bond
II.formation of carboanion
III.formation of carbocation
IV.nucleophilic attack on the carbocation
V.elimination of a base

• A)I ,III ,and IV
• B)I ,II ,and V
• C)II ,III and IV
• D)III ,IV and V
• E)II ,IV and V