SECTION IV MECHANISMS SCORE_ (5 points each,15 points in all) 41.Write a complete mechanism for the following reaction. 人+，、 火 42.Write a complete mechanism for the following reaction. CHaCH2OH 43.Provide a mechanism for the following reactions Show the movement ofelectrons with the appropriate arrows and indicate equilibrium arrows where relevant. 第6页共6页第 6 页 共 6 页 SECTION IV MECHANISMS SCORE (5 points each, 15 points in all) 41. Write a complete mechanism for the following reaction. Br2 Hv Br 42. Write a complete mechanism for the following reaction. O Cl + CH3CH2OH O OCH2CH3 + HCl 43. Provide a mechanism for the following reactions. Show the movement of electrons with the appropriate arrows and indicate equilibrium arrows where relevant. O O Br FeBr3 Br2