Ketones do not reduce Tollen’s reagents, but fructose with …

Chemistry Biomolecules Carbohydrates Single Correct MCQ

Published on: August 13, 2026

Ketones do not reduce Tollen’s reagents, but fructose with a keto group reduces it. Which one of the following is a correct statement ?

Enolisation of keto group of fructose and transformation into aldehyde group in presence of OH – , (which is present in Tollen’s reagent).

> CHOH group is also oxidised to keto group.

Both statements are correct.

None of the statement is correct.

Text Solution

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The correct answer is:

Fructose on enolisation remains in the equilibrium with mannose and glucose hence reduces tollens reagent.

Fructose Mannose Glucose

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