Concept explainers
(a)
Interpretation: The validation of the fact that maltose gives a positive Benedict’s test has to be predicted.
Concept introduction: Monosaccharides and most of the disaccharides give positive test with Benedict’s solution. It is used to detect the presence of
(b)
Interpretation: The validation of the fact that cellobiose gives a positive Benedict’s test has to be predicted.
Concept introduction: Monosaccharides and most of the disaccharides give positive test with Benedict’s solution. It is used to detect the presence of aldehyde or alpha hydroxy ketones. A positive test with Benedict’s solution is confirmed by the formation of a brick-red precipitate.
(c)
Interpretation: The validation of the fact that sucrose gives a positive Benedict’s test has to be predicted.
Concept introduction: Monosaccharides and most of the disaccharides give positive test with Benedict’s solution. It is used to detect the presence of aldehyde or alpha hydroxy ketones. A positive test with Benedict’s solution is confirmed by the formation of a brick-red precipitate.
(d)
Interpretation: The validation of the fact that lactose gives a positive Benedict’s test has to be predicted.
Concept introduction: Monosaccharides and most of the disaccharides give positive test with Benedict’s solution. It is used to detect the presence of aldehyde or alpha hydroxy ketones. A positive test with Benedict’s solution is confirmed by the formation of a brick-red precipitate.
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Chapter 18 Solutions
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