-OH 1.K2Cr2O-/H* 3.CH5C0H (e)none pf these answers Which would be the major organic product of this reaction? NBS.hea OH (e)none of these answers Part III-REACTIONS and SYNTHESIS (2 points for 29-35,3 poiuts for 36-39,26 points) SCORE_ OH PCC 9 CH2Cl2 人 30. 2)H,0 KMnO H2095℃ CI 1.Mg.diethy ether 3.H,0 第5页第 5 页 OH 1. K2Cr2O7 /H+ 2. SOCl2 3. CH3CH2OH (a) O OCH2CH3 (b) O Cl (c) CH3CH2Cl (d) O OH (e) none pf these answers 28. Which would be the major organic product of this reaction? 1. NBS, heat 2. Li 3. O H H 4. H+ (a) OH (b) Br (c) OH (d) Br (e) none of these answers Part III- REACTIONS and SYNTHESIS (2 points for 29-35, 3 points for 36-39, 26 points) SCORE 29. OH PCC CH2Cl2 30. AlCl3 Cl 31. H O 1）LiAlH4 2）H3O + 32. O2N CH3 H2O 95 oC KMnO4 33. 2. CO2 1. Mg, diethyl ether Cl 3. H3O+