Assignment:
Q1. Which of the following intermediates is believed to occur in the mechanism by which alkenes are hydrated in the presence of acid?
a. carbocation
b. free radical
c. carbanion
d. carbene
Q2. HBr can be added to an alkene in the presence of peroxides (ROOR). What function does the peroxide serve in this reaction?
a. nucleophile
b. electrophile
c. free radical initiator
d. solvent
Q3. What is the major alcohol product formed when 3,3-dimethyl-1-butene is treated with dilute acid?
1. 3,3-dimethyl-1-butanol
2. 3,3-dimethyl-2-butanol
3. 2,2-dimethyl-3-butanol
4. 2,3-dimethyl-2-butanol
Q4. Which of the following additions occurs to alkenes in an anti fashion?
a. hydroboration-oxidation
b. addition of Br2
c. addition of H2
d. addition of H2O in dilute acid