MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Organic ChemistryBiomoleculesGeneral

D-glucose & D-fructose can be differentiated by

A.Fehling sol

B.Tollens reagent

C.Benedict test

D.Br2/H2O✓ Correct

Explanation

2 2 Br /H O is a mild oxidizing agent and oxidises only aldehydes to acids. Thus only glucose is oxidised by 2 2 Br /H O. CH2OH HO H H H HO HO L(-)Glucose OH H CHO D(+)Glucose CHO CH2OH H HO OH OH H H H OH Biomolecules 2

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