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Chemistry · Oct / Nov 2025 · Paper 12 · Question 35

5070Carboxylic acids

Copper(II) oxide reacts with dilute ethanoic acid. Which equation for this reaction is correct?

  1. ACuO + CH3COOH → CH3COOCu + H2
  2. BCuO + CH3COOH → CH3COOCu + H2O
  3. CCuO + 2CH3COOH → (CH3COO)2Cu + H2
  4. DCuO + 2CH3COOH → (CH3COO)2Cu + H2O

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Correct answer: D. CuO + 2CH3COOH → (CH3COO)2Cu + H2O

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