Here is the way to convert ethene(ethylene) into acetylene(ethyne).The IUPAC name of ethylene is ethene and the IUPAC name of acetylene is ethyne.Here are the steps: How would you convert ethene(ethylene) into acetylene (ethyne) Step-1: Ethene(ethylene) reacts with liquid bromine (Br2) in presence of CCl4 and produces 1,2-dibromoethane. Tip: Step-2: 1,2-Dibromoethane reacts with alcoholic KOH and produces acetylene(ethyne). Tip: Next