11.7 Carboxylic acids
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54. Describe the reaction of ethanoic acid with metals, bases, and carbonates.
Reacts to form ethanoate salts along with hydrogen gas (with metals), water (with bases), or water and carbon dioxide gas (with metal carbonates).
55. How is ethanoic acid formed using acidified aqueous potassium manganate(VII)?
By the complete chemical oxidation of ethanol under reflux conditions using acidified KMnO4.
56. How is ethanoic acid formed during vinegar production?
By the aerobic bacterial oxidation of ethanol when exposed to oxygen in the air.
57. Describe the reaction of a carboxylic acid with an alcohol.
They undergo a condensation reaction when heated with a concentrated sulfuric acid catalyst (H2SO4) to form an ester and water.