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๐ŸถAcetic acid vs Citric acid๐Ÿ‹

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

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๐ŸถAcetic acid
  • โœ“Formula CH3COOH, monoprotic
  • โœ“Has one carboxylic acid group
  • โœ“Main component of vinegar
  • โœ“Sharp sour smell and taste
  • โœ“Used in food and as a solvent
๐Ÿ‹Citric acid
  • โœ“Formula C6H8O7, triprotic
  • โœ“Has three carboxylic acid groups
  • โœ“Found naturally in lemons and limes
  • โœ“Solid white crystalline powder
  • โœ“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.

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