Na0h 18. What is the major product of the following reactions? assume any necessary workup. D. He mo e. Not a. -d a. 19. What is the major product of the following reactions? assume any necessary workup. B. D. E. Not a. -d a. C. Na in nii hbr 20. What is the major product of the following reactions? roor chiral products are racemic. Assume any necessary workup. A. B. D. E. Not a. -d.