A-Level ChemistryYear 2022Q18
page 09 18. When propanone dissolves in water the following equilibrium is established. H3C C O CH3 H3C C OH CH2 propanone (a ketone) propenol (an enol) The ketone and enol are isomers and are called tautomers. Which of the following ketones does not have an enol tautomer? O CH3 (H3C)3C C (H3C)2HC C (H3C)3C C O CH2CH3 O C(CH3)3 (H3C)3 O C(CH3)3 C C A B C D [Turn over
Paper Source:NAH_Chemistry_Section1_2022.pdf
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Exam Specification Info
This question is part of the UK A-Level Chemistry syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectChemistry
Official MarksVariable (2–6 marks)