Answer to Question #213672 in General Chemistry for pkaj

Question

Glucose and Fructose belongs to the carbohydrate family but they react differently, which functional group makes them different from one another and how would you distinguish them by giving simple chemical test?                         

Answer 1

Glucose have aldehyde and hydroxy functional groups but fractose has ketone functional group

So they can be differentiated by fehling solution and tollene reagent chemical test