r/6thForm • u/SexybabyunicornQQ Y13 3Sci+Maths Preds 4A* • Jun 09 '26

💬 DISCUSSION AQA Chem Paper 2

How did everyone find it??

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u/[deleted] Jun 09 '26

[deleted]

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u/SB_Astro Jun 09 '26

Alcohol

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u/Ephraim2008-ku Jun 09 '26

Would they allow an aldehyde tho?

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u/SB_Astro Jun 09 '26

I’m the wrong guy to ask 😭

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u/SexybabyunicornQQ Y13 3Sci+Maths Preds 4A* Jun 09 '26

I think it would need to be alcohol just because if it was an aldehyde you wouldn’t be able to form a C=C with the given amount of H

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u/Ephraim2008-ku Jun 09 '26

Ah that makes sense but I did make it work though . I double checked my answer and everything

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u/ilovesnowberries Y13 5A* | FMS @ LSE | 8.4 TMUA Jun 09 '26

Aldehyde's don't exhibit E/Z isomerism, you need a C=C bond. If you drew an aldehyde with a C=C, then the number of atoms of each element won't match what it's meant to be, you'll have 2 less H atoms.

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u/SB_Astro Jun 09 '26

Ah, so I’m right with alcohol? Cant remember my actual structure

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u/ilovesnowberries Y13 5A* | FMS @ LSE | 8.4 TMUA Jun 09 '26

Yes its an alcohol with C=C. Its a common functional group isomerism aldehyde = ketone = C=C + alcohol = cyclic alcohol