Which of the following acids does not fo

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Target Exam

CUET

Subject

Chemistry

Chapter

Organic: Aldehydes, Ketones and Carboxylic Acids

Question:

Which of the following acids does not form anhydride when treated with P₂O₅?

Options:

Formic acid

Acetic acid

Propanoic acid

None of the above

Correct Answer:

Formic acid

Explanation:

Phosphorus pentoxide is a dehydrating agent. It abstracts a molecule of water from formic acid to form carbon dioxide.