Chemistry · Oct / Nov 2025 · Paper 12 · Question 8
5070Carboxylic acids
Which structure shows the carboxylic acid with the lowest relative molecular mass?
- AH–C(=O)–O–H
- BCH3–C(=O)–O–H
- CH–C(=O)–H
- DH–O–C(=O)–O–H
As printed in the paper
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Correct answer: A. H–C(=O)–O–H
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