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प्रश्न
Draw a neat diagram for the following:
Haworth formula of glucopyranose.
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उत्तर
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संबंधित प्रश्न
Give scientific reasons:
The disaccharide sucrose gives negative Tollens test while the disaccharide maltose gives a positive Tollens test.
Draw the structure of α-D glucopyranose.
Classify the following carbohydrates into monosaccharide, disaccharide, oligosaccharide and polysaccharide:
glucose, cellulose, maltose, stachyose
What is the action of the following reagents on glucose?
acetic anhydride
Draw the Haworth projection structure of the following.
α-D-(–)-Fructofuranose
What is monosaccharide?
Identify the substances having glycosidic bond and peptide bond, respectively in their structure:
Which of the following monosaccharides is a tetrose sugar?
Which of the following carbohydrate is sweet to taste?
From the following which is a heteropolysaccharide?
The reserve food material in animals is ____________.
Identify the sugar having the molecular formula C6H1206.
From the following identify the materials that are made up of cellulose.
i. Plant cell wall
ii. Exoskeleton of arthropods
iii. Paper from plant pulp
iv. Cotton fibre
Which among the following compounds is obtained when glucose reacts with hydrogen cyanide?
By which of the following feature we can identify the relatively small DNA molecules of plasmids?
Which is the product obtained, when Br2 water reacts with glucose?
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 |
The number of asymmetric carbon atoms in the glucose molecule is ____________.
Monosaccharides are ______ in nature.
From the following identify the two types of glucose polymers present in starch.
Raffinose, sucrose and stachyose are respectively ____________.
All these carbohydrates contain \[\ce{1 -> 4β}\] glycosidic linkage, EXCEPT ____________.
4-O-(α-D-Glucopyranosyl)-D-glucopyranose is ____________.
One mole of a carbohydrate on hydrolysis gives one mole of glucose and one mole of galactose. Identify the carbohydrate.
Which of the following monosaccharide is a ketohexose?
The general formula for polysaccharide is ____________.
Which one of the following is NOT soluble in water?
Which among the following statements is true for amylose?
How many moles of fructose and galactose respectively are obtained on hydrolysis of 1 mole stachyose?
Which among the following reagents is used to confirm the presence of carbonyl group in glucose?
Which of the following statement is NOT true about saccharic acid?
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)
Which among the following reagents is used to obtain gluconic acid from glucose?
Which among the following is a product of hydrolysis of one mole raffinose?
How many hydroxyl groups are present in Erythrulose?
Which one of the following rotates the plane polarized light towards left?
Why carbohydrates are generally optically active?
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Fructose
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Maltose
Write the structure of α-D (+) glucopyranose.
If 'n' represents total number of asymmetric carbon atoms in a compound, then the possible· number of optical isomers of the compound is ______.
Starch and cellulose are compounds made up of many units of ______.
Which one is a non-reducing commercial sugar?
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.
Assign D/L configuration to the following monosaccharides:
Write Fischer projection formulae for glucose.
CH2 OH - CO - (CHOH)4 - CH2 OH is an example of ______.
Why carbohydrates are generally optically active.
CH2 OH - CO - (CHOH)4 - CH2 OH is an example of ______.
Why carbohydrates are generally optically active.
