JEE Main20198 Apr 2019Evening ShiftChemistryBiomoleculesActual
Fructose and glucose can be distinguished by:
Options
- AFehling's test
- BBenedict's test
- CBarfoed's test
- DSeliwanoff's test
Correct answer
D. Seliwanoff's test
Step-by-step solution
Seliwanoff’s test is used to distinguish between glucose and fructose. Seliwanoff’s reagent (0.5% resorcinol in 3 N H C l ) gives red solution with fructose but no change in colour with glucose.