Chemistry · May / June 2022 · Paper 11 · Question 37
5070Carboxylic acids
Which statement about carboxylic acids is correct?
- AAll carboxylic acids include the group: [structure: C with double bond O and O-H]
- BEthanoic acid reacts with both copper(II) oxide and copper.
- CMethanoic acid, formed by bacterial oxidation, is present in vinegar.
- DPropanoic acid decolourises acidified potassium manganate(VII).
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Correct answer: A. All carboxylic acids include the group: [structure: C with double bond O and O-H]
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