Fructose and glucose can be distinguished by:

Question

Canvas Classes · Accepted Answer

Analysis of each test:

| Test | What it detects | Distinguishes Fructose from Glucose? |
|---|---|---|
| Fehling's test | Reducing sugars (both glucose and fructose are reducing) | No — both give positive result |
| Benedict's test | Reducing sugars | No — both give positive result |
| Barfoed's test | Monosaccharides vs disaccharides | No — both glucose and fructose are monosaccharides |
| Seliwanoff's test | Ketoses (fructose) give cherry-red colour quickly; aldoses (glucose) give faint pink

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