Question

8. Determine if/how many stereogenic centers are contained in the following molecule.

A. 1 stereogenic center
B. 2 stereogenic centers
C. 3 stereogenic centers
D. 4 stereogenic centers
E. 5 stereogenic centers
F. 6 stereogenic centers

9. Rank the following groups in order of decreasing priority. (priority 1 should be listed first)
-CH₂OH -CH(CH₃)₂ -COOH -OH
I. II. III. IV.

A. III, I, IV, II
B. III, IV, II, I
C. IV, II, III, I
D. IV, III, I, II

10. What is the proper R and S designation for the following compounds?

A. Compound 1: R Compound 2: R
B. Compound 1: R Compound 2: S
C. Compound 1: S Compound 2: R
D. Compound 1: S Compound 2: S

OH OH