MULTIPLE CHOICE: Choose the one alternative that best completes the statement answering the question.
1) Which of the following additions to alkenes occur(s) specifically in an anti fashion?
A) addition of H2
B) addition of Br2
C) hydroboration-oxidation
D) addition of H2O in dilute acid
E) both A and B
2) Which of the following additions to alkenes occur(s) specifically in a syn fashion?
A) addition of O2
B) dihydroxylation using OsO4, H2O2
C) hydroboration
D) addition of HCl
E) A, B, and C