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🍶Acetic acid vs Citric acid🍋

Acetic and citric acid are familiar weak organic acids found in everyday food. Their structures and proton counts differ.

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🍶Acetic acid
  • Formula CH3COOH, monoprotic
  • Has one carboxylic acid group
  • Main component of vinegar
  • Sharp sour smell and taste
  • Used in food and as a solvent
🍋Citric acid
  • Formula C6H8O7, triprotic
  • Has three carboxylic acid groups
  • Found naturally in lemons and limes
  • Solid white crystalline powder
  • Used as a flavoring and preservative

Verdict

Both are weak organic acids, but citric acid is triprotic with three acid groups while acetic acid is monoprotic with one. Citric acid is solid; acetic acid is liquid.

Frequently asked

Which acid donates more protons?+

Citric acid is triprotic and can donate three protons; acetic acid is monoprotic with one.

Are they strong or weak acids?+

Both are weak acids that only partially ionize in water.

Where are they found?+

Acetic acid is the acid in vinegar; citric acid occurs naturally in citrus fruit.

Also in

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