This document explores the structure of bromoethane, a chemical compound comprising two carbon atoms with a bromine atom attached. It discusses the significance of the SN2 reaction mechanism, focusing on the attack location on carbon atoms during the reaction process. The text emphasizes the requirement to redraw molecular structures at each step to enhance understanding of the reaction dynamics. It illustrates how the nucleophile, represented by HO- from sodium hydroxide (NaOH), attacks the second carbon (C-2), prompting the departure of the bromine atom. Additionally, the document provides a detailed breakdown of the formation of the products of the reaction, specifically ethanol and sodium bromide, highlighting the importance of these compounds in the context of the reaction.