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WalesChemistryQuick questions
Unit 4: Organic Chemistry and Analysis
Quick questions on Aldehydes and ketones - WJEC A-Level Chemistry
6short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are summary of the carbonyl tests?Show answer
Read together, these tests first confirm a carbonyl is present, then separate aldehyde from ketone, then (with dichromate) confirm the aldehyde is oxidisable to an acid.
What is q1?Show answer
Name the type of mechanism by which reacts with propanone. [1 mark]
What is q2?Show answer
State the observation when an aldehyde is warmed with Fehling's solution. [1 mark]
What is q3?Show answer
Name the product when butanone is reduced by . [1 mark]
What is q4?Show answer
Explain, in terms of structure, why ethanal can be oxidised to an acid but propanone cannot. [2 marks]
What is q5?Show answer
Name the product of the reaction between ethanal and . [1 mark]
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