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Which of the following is a non-reducing sugar?(a) Galactose(b) Glucose(c) Fructose(d) SucroseI got this question by my college director while I was bunking the class.My question is taken from Biomolecules Carbohydrates topic in chapter Biomolecules of Chemistry – Class 12

Answer» CORRECT answer is (d) SUCROSE

Easiest explanation: Sucrose is a non-reducing DISACCHARIDE which cannot convert to an open chain with a FREE aldehyde group and hence cannot reduce Fehling’s solution and Tollen’s reagent.


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