1) In each of the following reactions (i) using arrows provide a mechanistic explanation of the course of the reaction (show intermediates); (ii) write the product of the reaction. ( 65 points = 30 points) e. Show full mechanism of nucleophilic addition-elimination reaction reacting ethylamine (CH3 CH2NH2, excess) with maleic anhydride (one equivalent). (5 points) maleic anhydride