Making and using alcohol

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  • MAKING AND USING ALCOHOL
    • HYDRATION OF ETHENE
      • Catalysed by phosphoric acid H3PO4
      • Steam
      • High temperature 300C
      • Moderate pressure 60atm
      •  
        • The reaction is reversible and conversion of ethene is incomplete
          • Overall 95% conversion is achieved
    • FERMENTATION
      •  
        • The toxicity of the alcohol kills the yeast off at 14%
          • This process is anaerobic  - when air is present ethanal or ethanoic acid may be produced
      • Yeast
      • 37C
      • Carbohydrates (sugar/starch)
    • Alcoholic drinks - ethanol
    • Cleaning fluids
    • Perfumes
    • Alternative fuel for cars - ethanol
    • Methylated spirits - ethanol mixed with methanol and dye
    • Fuel for racing cars - racing cars

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