Synthesis of Acetylene Heat coke with lime in an electric furnace to form calcium carbide. Then drip water on the calcium carbide: 3 C CaO CaC2 CO coke lime CaC2 2 H2O H-C≡C-H+Ca(OH)2 This reaction was used to produce light for miners'lamps and for the stage. Chapter 9 8 Chapter 9 8 Synthesis of Acetylene • Heat coke with lime in an electric furnace to form calcium carbide. • Then drip water on the calcium carbide: coke lime This reaction was used to produce light for miners’ lamps and for the stage. 3 C + CaO CaC2 + CO CaC2 + 2 H2O H C C H + Ca(OH)2