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Organic analysis

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Question 1

A student is provided with four unlabelled bottles containing different organic liquids. They perform test-tube reactions to identify them.

Which compound reduces acidified potassium dichromate(VI) from orange to green, but produces no observable change when warmed with Fehling's solution?

A

Propanal, CH3CH2CHO\text{CH}_3\text{CH}_2\text{CHO}CH3​CH2​CHO

B

Propan-2-ol, CH3CH(OH)CH3\text{CH}_3\text{CH(OH)CH}_3CH3​CH(OH)CH3​

C

Propanoic acid, CH3CH2COOH\text{CH}_3\text{CH}_2\text{COOH}CH3​CH2​COOH

D

2-Methylpropan-2-ol, (CH3)3COH(\text{CH}_3)_3\text{COH}(CH3​)3​COH

Markscheme

Organic analysis Questions

  1. A Level
  2. /Chemistry
  3. /Organic analysis

21 exam-style questions on AQA A Level Chemistry Organic analysis, covering Identification of functional groups by test-tube reactions, Mass spectrometry, and Infrared spectroscopy. Each one has a worked solution and a mark scheme showing where the marks go.

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