dd two curved arrows to the reactant side to illustrate the movement of electrons in the e2 reaction. there will be a total of three curved arrows, one of which is drawn for you. add two more curved arrows. an arrow points to three products. product 1 is an alkene where carbon 1 is bonded to two methyl groups. product 2 is h 2 o. product 3 is a negatively charged bromine with four lone pairs.