The confirmatory test to distinguish between monosaccharides and disaccharides is
Question and options
The confirmatory test to distinguish between monosaccharides and disaccharides is
- Benedict test
- Barfoed test
- Seliwanoff test
- Biuret test
Answer and explanation
Correct answer: B - Barfoed test
Barfoed's test (copper acetate in acetic acid) is reduced quickly by monosaccharides but only slowly by reducing disaccharides, distinguishing them. Benedict detects reducing sugars generally, Seliwanoff ketoses, Biuret proteins.
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