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Alcohols Exam Questions – Improved Practice, Study Guide & Revision Notes

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Alcohols Exam Questions – Improved Practice, Study Guide & Revision Notes

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Alcohol
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Alcohols Exam Questions – Improved Practice, Study Guide & Revision Notes


Which statement is correct about the production and use of ethanol as a biofuel? (1)

A Biofuel ethanol is produced by the fermentation of glucose in the presence of yeast and air

B Biofuel ethanol is purified by fractional distillation

C No carbon dioxide is released when biofuel ethanol is burned

D Biofuel ethanol burns with cleaner flame than ethanol made by hydration of ethene - ANS
✔✔B



Which compound reacts to form a ketone when warmed with an acidified solution of potassium
dichromate (VI)? (1)

A CH3CH2CH2OH

B (CH3)2CHOH

C CH3CH2CHO

D (CH3)2CHCOOH - ANS ✔✔B



Which compound can be oxidised to form (CH3)2CHCOCH3? (1)

A 2-methylpropan-1-ol

B 2,2-dimethylpropanol

C 2-methylbutan-2-ol

D 3-methylbutan-2-ol - ANS ✔✔D



State the purpose of anti-bumping granules (1) - ANS ✔✔To prevent vigorous boiling



Explain why pentan-2-ol has a higher boiling point than pent-1-ene (3) - ANS ✔✔Intermolecular
forces stronger in pentan-2-ol

Pent-1-ene only has Van der Waals' forces
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