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Chemistry · May / June 2024 · Paper 11 · Question 37

5070Alcohols

Ethanol is produced using either ethene or glucose as the starting material. Which row is correct?

  1. Aethene; catalytic addition of steam at 300°C and 6000 kPa
  2. Bethene; catalytic addition of steam at 30°C and 60 000 kPa
  3. Cglucose; 135°C in the presence of yeast and absence of oxygen
  4. Dglucose; 35°C in the presence of yeast and oxygen

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Correct answer: A. ethene; catalytic addition of steam at 300°C and 6000 kPa

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