Question

Which acid is present in lemon?

Answer 1

Organic acid:

• An organic acid is a chemical compound with acidic properties.
• The most common organic acid is a carboxylic acid that contains $-\mathrm{COOH}$ carboxyl group.

Acid in lemons:

• The acid that is present in lemons is citric acid.
• The chemical formula of citric acid is ${\mathrm{C}}_6{\mathrm{H}}_8{\mathrm{O}}_7$.
• It is a colorless organic acid that is mainly present in citrus fruits.
• The structure of citric acid is given below: