Which acid is present in vinegar?
Answer and explanation
Correct answer: Ethanoic acid
Vinegar is a dilute aqueous solution containing ethanoic acid, also called acetic acid, usually produced when ethanol is oxidised during bacterial fermentation. This acid gives vinegar its characteristic sour taste and smell. Citric acid is associated with citrus fruits, lactic acid with curd and fermentation, and methanoic acid with ant stings. Therefore the household acid in vinegar is ethanoic acid, option A.
Frequently asked questions
What is the correct answer to this question?
Ethanoic acid
Why is this the correct answer?
Vinegar is a dilute aqueous solution containing ethanoic acid, also called acetic acid, usually produced when ethanol is oxidised during bacterial fermentation. This acid gives vinegar its characteristic sour taste and smell. Citric acid is associated with citrus fruits, lactic acid with curd and fermentation, and methanoic acid with ant stings. Therefore the household acid in vinegar is ethanoic acid, option A.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Acids, Bases, and Salts.
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