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Alcohols
This topic links alcohol functional-group chemistry to preparation and analysis.
5
Objectives
10
Flashcards
10
Questions
90 min
Study time
AqaA LevelChemistryOrganic chemistry
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Syllabus checklist
What you need to know
5 objective pages available
Alcohol production and reactions5 objectives
- Compare ethanol production by fermentation and hydration of ethene.
- Write equations for combustion of alcohols.
- Describe oxidation of primary and secondary alcohols.
- Explain elimination of water from alcohols to form alkenes.
- Required practical: test for alcohols as part of organic functional-group analysis.
Key terms
FermentationHydrationCombustionStoichiometryOxidationKetoneE1 mechanismE2 mechanism
Exam tips
- Understand the conditions for each process: Make sure to memorize the specific conditions required for fermentation and hydration of ethene.
- Double-check your equations: Before submitting your answer, ensure that all chemical equations are balanced and include the correct states of matter.
Common mistakes
- Confusing fermentation with hydration: Remember that fermentation is a biological process using yeast, while hydration is a chemical reaction involving ethene and water.
- Incorrect balancing of equations: Always check that the number of atoms for each element is equal on both sides of the equation before finalizing.
Practice preview
- Which of the following statements correctly describes the fermentation of glucose to produce ethanol?
- Describe the process of producing ethanol from ethene, including the necessary conditions.
- Calculate the mass of ethanol produced when 10 g of glucose is fermented. (Molar mass of glucose = 180 g/mol, molar mass of ethanol = 46 g/mol)
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