- 1(current)
Q. No.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 |
80%
Level 1: 80%+
AIPMT - 2014
Hints
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 |
87%
Level 1: 80%+
AIPMT - 2012
Hints
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 |
50%
Level 3: 35%-60%
AIPMT - 2011
Hints
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 |
60%
Level 2: 60%+
AIPMT - 2010
Hints
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 |
72%
Level 2: 60%+
AIPMT - 2010
Hints
- 1(current)
Q. No.
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