4. Draw the expected product for each of the following synthetic transformations (1 point): (a) (0.5 points = 0.1 point for each reaction) Cl2 AICI H2SO4 conc. fuming HNO3 H2SO4 H2SO4 dilute T Br2 AlBrz major minor (b) (0.5 points = 0.1 point for each reaction) Zn(Hg) HCI heat HNO3 H2SO4 major minor ce AICI: Brz FeBrz Bra FeBrz major minor