The correct option is A. Seliwanoff’s reagent
Seliwanoff’s reagent is used in a test which helps to distinguish between an aldose and a ketose sugar. Fructose is a ketose sugar, whereas glucose is a aldose sugar.
Benedict’s reagent and Fehling's reagent are used to detect the presence of reducing sugars.
Barfoed's reagent is used for detecting the presence of monosaccharides.
