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प्रश्न
Write the name of the polysaccharide used for the commercial preparation of glucose.
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उत्तर
Starch
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संबंधित प्रश्न
Glucose on oxidation with dilute nitric acid gives _______________
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
What is the action of the following reagents on glucose?
hydroxylamine
Define carbohydrates.
By which of the following process formation of glycosidic bond occurs?
Identify the given structure 'P' and 'Q'.
Which enzymes would work sequentially on potatoes consumed by an individual?
Which of the following monosaccharides is a tetrose sugar?
Identify the sugar having the molecular formula C6H1206.
Identify the WRONG statement.
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 |
Chitin is a/an ______.
From the following identify the two types of glucose polymers present in starch.
Which reagent among the following is used to confirm presence of aldehydic carbonyl group in glucose?
Which carbon atoms of α- D glucopyranose and β-D-fructofuranose respectively are linked together to form glycosidic linkage in sucrose?
Raffinose, sucrose and stachyose are respectively ____________.
The general formula for polysaccharide is ____________.
Which one of the following is Tetrose sugar?
Which one of the following carbohydrates is insoluble in water?
Which of the following statements is NOT true for glyceraldehyde?
Which following reagent is used to detect presence of five hydroxyl groups in a glucose molecule?
Which among the following statements is true for amylose?
Identify the number of secondary carbon atoms in glucose.
When 2 moles of stachyose is hydrolyzed, the number of moles of galactose obtained is ____________.
What is the quantity of glucose obtained when 68.4 g of sucrose is hydrolyzed in laboratory under ideal condition?
(Molar mass of sucrose = 342 g mol−1)
What is the product obtained when Br2 water reacts with glucose?
How many hydroxyl groups are present in Erythrulose?
Which one given below is a non-reducing sugar?
\[\ce{Glucose ->[(HCN)] Product ->[(hydrolysis)] Product ->[(HI + Heat)] A}\], the compound A is:
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.
Complete hydrolysis of cellulose gives ____________.
Glucose is an aldose. Which one of the following reactions is not expected with glucose?
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Starch
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Lactose
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Maltose
The molecule of glucose is also called ______.
Identify the monosaccharide containing only one asymmetric carbon atom in its molecule.
Formation of gluconic acid from glucose by oxidation using Br2 water.
The glycosidic linkage present in maltose is ______.
\[\ce{CH2OH - CO - (CHOH)4 - CH2OH}\] is an example of ______.
Why carbohydrates are generally optically active.
Why carbohydrates are generally optically active.
Assign D/L configuration to the following monosaccharides:
Write the ring structure of glucose.
CH2 OH - CO - (CHOH)4 - CH2 OH is an example of ______.
Why carbohydrates are generally optically active.
\[\ce{CH2OH - CO - (CHOH)4 - CH2 OH}\] is an example of ______.
\[\ce{CH2OH - CO - (CHOH)4 - CH2OH}\] is an example of ______.
Why carbohydrates are generally optically active.
Two monosaccharides are held together by ______ bond.
