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प्रश्न
Draw the structure of the pyran.
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उत्तर
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संबंधित प्रश्न
Draw a neat diagram for the following:
Haworth formula of maltose
Glucose on oxidation with dilute nitric acid gives _______________
Draw the structure of α-D glucopyranose.
What is the action of the following reagents on glucose?
hydroxylamine
What is the action of the following reagents on glucose?
hydrogen iodide
Draw the Haworth projection structure of the following.
α-D-(–)-Fructofuranose
Write a chemical reaction to convert glucose into glucose cyanohydrin.
Write a commercial method for preparation of glucose.
By which of the following process formation of glycosidic bond occurs?
Identify the given structure 'P' and 'Q'.
From the following identify an example of disaccharides.
Formation of lactose by conden ation results in the release of how many molecules of water?
Carbohydrates can contain which of the following chemical groups?
From the following which is a heteropolysaccharide?
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
By which of the following feature we can identify the relatively small DNA molecules of plasmids?
____________ do not give smaller sugar units on hydrolysis.
Match the columns and select the correct option.
| Column I | Column II | ||
| i. | Starch | a. | Animal storage molecule |
| ii. | Cellulose | b. | Plant storage molecule |
| iii. | Glycogen | c. | Heparin |
| iv. | Heteropolysaccharide | d. | Plant cell wall component |
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 ____________.
Prolonged heating of glucose with hot HI results in the formation of ____________.
Identify the INCORRECT statement regarding glucose.
Which one of the following is NOT soluble in water?
Which among the following statements is true for amylose?
What is the number of hydroxyl groups present in lactic acid?
Which of the following statement is NOT true about saccharic acid?
Which among the following reagents is used for conversion of glucose to glucoxime?
What is the molecular formula of glyceraldehyde?
Which among the following is a product of hydrolysis of one mole raffinose?
What is the product obtained when Br2 water reacts with glucose?
Which one of the following rotates the plane polarized light towards left?
The correct corresponding order of names of four aldoses with configuration given below Respectively is:
The number of sp2 and sp3 hybridised carbon in fructose are respectively ____________.
Complete hydrolysis of cellulose gives ____________.
Which of the following are epimers?
What are reducing and non-reducing sugars?
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
Write the structure of α-D (+) glucopyranose.
Is the following sugar, D-sugar or L-sugar?
The two monosaccharides in a disaccharide are held together by ______ bonds.
Identify the monosaccharide containing only one asymmetric carbon atom in its molecule.
Corn is immersed in boiling water. It is then cooled, and the solution becomes sweet. It is due to ______.
Identify the product obtained in the following conversion.
\[\ce{Glucose ->[(O)][Br2 water] Product}\]
\[\ce{CH2OH - CO - (CHOH)4 - CH2OH}\] is an example of ______.
Why carbohydrates are generally optically active.
Why carbohydrates are generally optically active?
Why are carbohydrates generally optically active?
Why carbohydrates are generally optically active.
What are the number of chiral carbon atoms and the number of formyl groups, respectively, present in ribose?
