MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryCarboxylic Acids and DerivativesPreparation of Carboxylic Acid Derivatives

Tollen’s reagent in not reduced by

A.Formic acid

B.Acetaldehyde

C.Benzaldehyde

D.Acetic acid✓ Correct

Explanation

Tollen’s reagent is valid for aldehyde. But formic acid reduces tollen’s reagent and oxidize to 2 CO since is has both aldehyde and carboxylic group. This test is not given by other carboxylic acids.

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