Biology Alevel OCR

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MO0NCHILDRM
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#1
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#1
https://pmt.physicsandmathstutor.com...s%202%20QP.pdf

If you go on this link and go to question 2 b,the answer jn the markscheme shows a ketone,but im confused why it MUST be a ketone?? Because the way we studied it is even if it forms a carboxylic acid or an aldehyde the color still goes from orange to green but the markscheme strictly shows an aldehyde,why is that??
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theogwhiz
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Question 2B is asking you about the oxidation of alcohol B. Alcohol B can only oxidise to become a ketone as it is a secondary alcohol. Primary alcohols oxidise to aldehydes and then to carboxylic acids under acid reflux with acidified potassium dichromate.
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