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Alcohols
Explain how ethanol is produced through: (a) the fermentation of sugar solution at temperatures between 25 and 35 °C using yeast without oxygen, and (b) the catalytic reaction of steam with ethene at 300 °C and 6000 kPa using an acid catalyst.
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90 min
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CambridgeIGCSEChemistryOrganic chemistry
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Alcohols outcomes4 objectives
- Explain how ethanol is produced through: (a) the fermentation of sugar solution at temperatures between 25 and 35 °C using yeast without oxygen, and (b) the catalytic reaction of steam with ethene at 300 °C and 6000 kPa using an acid catalyst.
- Explain how ethanol burns in combustion reactions.
- Identify the applications of ethanol, including: (a) its role as a solvent and (b) its use as a fuel.
- Discuss the pros and cons of producing ethanol through: (a) fermentation and (b) the catalytic addition of steam to ethene.
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