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Organic Chemistry and Analysis (OA2.2 Aldehydes and ketones)

Quick questions on Aldehydes and Ketones (OA2.2) - Eduqas A-Level Chemistry

4short 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 reduction products?
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Reducing an aldehyde gives a primary alcohol and reducing a ketone gives a secondary alcohol; mixing these up loses the mark.
What is curly arrows in addition?
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The first arrow must come from the nucleophile's lone pair to the δ+\delta+ carbon, and the second from the C=O\text{C=O} bond to the oxygen; the intermediate is a negatively charged alkoxide before protonation.
What is q1?
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Name the product of reducing propanone with NaBH4\text{NaBH}_4. [1 mark]
What is q2?
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State the reagent and observation for a positive Fehling's test with an aldehyde. [2 marks]

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