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प्रश्न
Glucose on oxidation with dilute nitric acid gives _______________
विकल्प
saccharic acid
oxalic acid
gluconic acid
malonic acid
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उत्तर
Glucose on oxidation with dilute nitric acid gives saccharic acid
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संबंधित प्रश्न
Give two evidences for presence of formyl group in glucose.
The glycosidic linkage in maltose is formed between _______________
Explain the preparation of glucose from sucrose.
Write chemical reaction for following conversions
glucose into gluconic acid
Classify the following carbohydrates into monosaccharide, disaccharide, oligosaccharide and polysaccharide:
glucose, cellulose, maltose, stachyose
Explain D and L configuration in sugars.
Carbohydrates can contain which of the following chemical groups?
______ is the prosthetic group of glycoproteins.
Identify the sugar having the molecular formula C6H1206.
Match the Column I and Column II select the correct option.
| Column I | Column II | ||
| i. | Monosaccharides | a. | Stored energy in animals |
| ii. | Glycogen | b. | Polymer made from ß-glucose molecules |
| iii. | Cellulose | c. | Exoskeleton of arthropods |
| iv. | Chitin | d. | Building blocks of carbohydrates |
| e. | Plant hormone |
Which reagent among the following is used to confirm presence of aldehydic carbonyl group in glucose?
Prolonged heating of glucose with hot HI results in the formation of ____________.
Which of the following monosaccharide is a ketohexose?
Which one of the following is Tetrose sugar?
Which one of the following sugar does NOT have same empirical fonnula as that of carbohydrate?
When 2 moles of stachyose is hydrolyzed, the number of moles of galactose obtained is ____________.
Which among the following reagents is used to obtain gluconic acid from glucose?
Identify the product Y in the following reaction.
\[\ce{Maltose ->[Hydrolysis] X ->[dil. HNO3][(excess)] Y}\]
Which among the following is a product of hydrolysis of one mole raffinose?
Assertion: A solution of sucrose in water is dextrorotatory. But on hydrolysis in the presence of little hydrochloric acid, it becomes levorotatory.
Reason: Sucrose hydrolysis gives equal amounts of glucose and fructose. As a result of this change in sign of rotation is observed.
If 'n' represents total number of asymmetric carbon atoms in a compound, then the possible· number of optical isomers of the compound is ______.
Glucose on oxidation with bromine water yields gluconic acid. This reaction confirms the presence of ______.
A molecule of stachyose contains how many carbon atoms?
Match the Column I with Column II and choose the correct answer from options below:
| Column I | Column II |
| A. Purine | 1. Glycogen |
| B. Pyrimidine | 2. Cellulose |
| C. Structural polysaccharide | 3. Glucagon |
| D. Storage polysaccharide | 4. Adenine |
| 5. Cytosine |
Consider the following reaction
\[\ce{A <-[Br2 - H2O] Glucose ->[HNO3] B}\]
Here, 'A' and 'B' are respectively.
Identify the product obtained in the following conversion.
\[\ce{Glucose ->[(O)][Br2 water] Product}\]
The linkage present in Lactose is ______.
Write the Zwitter ion structure of alanine.
\[\ce{CH2OH - CO - (CHOH)4 - CH2 OH}\] is an example of ______.
Why carbohydrates are generally optically active?
