8.Which of the following reagents would accomplish the reaction shown? 8 OH A)H2S04,H0 B)H.CrO c Oz(slow) Ans:E 9.Which of the sequences below would accomplish the following transformation? ○cH,OH”○cH,D 1.HBr 2.NaBD4,CHOH B 1.PB3 2.Mg,ether 3.D0 C) D2S04 D) 2.H0t 1.H2S04 2.D2,catalyst Ans:B Page 5 8. Which of the following reagents would accomplish the reaction shown? O OH ? A) H2SO4, H2O D) HO− , H2O B) H2CrO4 E) none of the above C) O2 (slow) Ans: E 9. Which of the sequences below would accomplish the following transformation? CH2OH CH2D ? A) 1. HBr 2. NaBD4, CH3OH B) 1. PBr3 2. Mg, ether 3. D2O C) D2SO4 D) 1. LiAlD4 2. H3O+ E) 1. H2SO4 2. D2, catalyst Ans: B