9. Provide the structure of the major organic product of the following re (R, S) which resuits in this product. (5pts) action. Show the stereochemistry 1. PBr3. pyridine 2. NaCN 10. Provide the major organic product in the reaction below. (5pts) 1. CH,CH2MgBr 2. H30* 11. Provide the major organic product in the reaction below. (5pts) HBr 12. Propose the following synthesis route. Provide all required reagents and products for all reaction steps. (5pts) 13. Number (1,2,3) the following compounds in order of decreasing acidity (most to least acidic). (5pts) OH Cl H3C 14. Give the major organic product(s) of the following sequence of reactions. (5pts) CH 3 KMnO4 Br2 Hyo* FeBrs