1
Question
Both glucose and sucrose give Fehling's test.
Both glucose and sucrose give Fehling's test.
Open in App
Solution
The correct option is B False
fructose give positive result in fehling test but sucrose give negative result. this is because of the presence of free aldehydic group in fructose (through Lobry de Bruyn and van Ekenstein rearrangement), hence fructose give +ve fehling test. Further since in Sucrose, as reducing groups of glucose and fructose are involved in glycosidic bond formation, sucrose is a non-reducing sugar and hence dont give Fehling test.
fructose give positive result in fehling test but sucrose give negative result. this is because of the presence of free aldehydic group in fructose (through Lobry de Bruyn and van Ekenstein rearrangement), hence fructose give +ve fehling test. Further since in Sucrose, as reducing groups of glucose and fructose are involved in glycosidic bond formation, sucrose is a non-reducing sugar and hence dont give Fehling test.
Suggest Corrections
0
(vii) Glucose (viii) Fructose Join BYJU'S Learning Program
Explore more
Join BYJU'S Learning Program
