4.What would be the major product of the following reaction? (32%) (a) (b) E... NaOH CH,CH_CHCH CH2CH_CH_CH,OH PCH CH.SOC1 base HO Br CH 12 (c) (d) Concd. HBI (s) H CH3CH OCH heat CH,OH (e) (f) OH CH MIgI HO (g) (h) NH 1,0 w 5. What would be the major product of the following reaction? (15%) (a) CHC01 B 1. BH, THE 3.150. NaOH Ts pyridine KI (b) & H20* heat A PB13 Mg, Et, (c) Mg, Eto CHI i) H.CrO4 A acetone ii) H2O* fomnounds could be used as the basis for a