Chemistry - Biomolecules Question with Solution | TestHub

ChemistryBiomoleculesCARBOHYDRATESMedium2 min
ChemistryMediumsingle choice

Statement -1 : fructose does not contains an aldehyde group but still reduces tollens reagent.

Statement -2 : In presence of dilute solution of alkali fructose undergoes rearrangement to form glucose and mannose.

Options:

Answer:
Solution:

Statement-1 is true. Fructose isomerizes to glucose/mannose (aldoses) in alkaline Tollens' reagent, which then reduces it. Statement-2 is also true; this is the Lobry de Bruyn-van Ekenstein transformation.

 

The final answer is

Stream:JEESubject:ChemistryTopic:BiomoleculesSubtopic:CARBOHYDRATES
2m

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