D(+) glucose yields an oxime with hydroxyl amine. The structure of the oxime would be:

1. 2.
3. 4.
Subtopic:  Carbohydrates - Classification & D-L configuration |
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Sucrose can be formed by:
1. α–D–galactopyranose and α–D–glucopyranose
2. α–D–glucopyranose and β–D–fructofuranose
3. β–D–galactopyranose and α–D–fructofuranose
4. α–D–galactopyranose and β–D–fructopyranose

Subtopic:  Carbohydrates - Classification & D-L configuration |
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Which one of the following statements is not true regarding (+) lactose?

1. (+) lactose is a  β -glycoside and a molecule of D(+) galactose
2. (+) lactose is a reducing sugar and does not exhibit mutarotation
3. (+) lactose,  C 12 H 22 O 11  contains 8-0 H groups
4. On hydrolysis (+) lactose gives equal amount of D(+) glucose and D(+) galactose

Subtopic:  Carbohydrates - Classification & D-L configuration | Polysaccharides & their Importance |
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Which one of the following does not exhibit the phenomenon of mutarotation?

1. (+) Sucrose

2. (+) Lactose

3. (+) Maltose=

4. (-) Fructose

Subtopic:  Carbohydrates - Classification & D-L configuration |
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Fructose reduces Tollen's reagent due to:

1. Primary alcoholic group
2. Secondary alcoholic group
3. Enolisation of fructose followed by conversion to aldehyde by base
4. Asymmetric carbon
Subtopic:  Carbohydrates - Classification & D-L configuration |
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