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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.
Give scientific reasons:
Hydrolysis of sucrose is called inversion.
Glucose on oxidation with dilute nitric acid gives _______________
Write the name of the polysaccharide used for the commercial preparation of glucose.
Write the name of the unit to which glucose unit is linked to from sucrose.
Write chemical reaction for following conversions
glucose into glucoxime
Define carbohydrates.
Which enzymes would work sequentially on potatoes consumed by an individual?
Which of the following carbohydrate is sweet to taste?
Carbohydrates can contain which of the following chemical groups?
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?
Which is the product obtained, when Br2 water reacts with glucose?
Monosaccharides are ______ in nature.
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 ____________.
4-O-(α-D-Glucopyranosyl)-D-glucopyranose is ____________.
Which one of the following is an oligosaccharide?
Glucose and gluconic acid treated with dilute nitric acid forms saccharic acid. What does this indicate?
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?
When 2 moles of stachyose is hydrolyzed, the number of moles of galactose obtained is ____________.
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?
On hydrolysis sucrose gives ____________.
Which among the following sugars does not reduce Tollen's reagent?
Identify the number of oxygen atoms present in saccharic acid?
What is the molecular formula of glyceraldehyde?
Identify the product Y in the following reaction.
\[\ce{Maltose ->[Hydrolysis] X ->[dil. HNO3][(excess)] Y}\]
How many optical isomers are possible for a compound having four asymmetric carbon atoms?
The correct corresponding order of names of four aldoses with configuration given below Respectively is:
Which one given below is a non-reducing sugar?
Complete hydrolysis of cellulose gives ____________.
Why carbohydrates are generally optically active?
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Lactose
Write the structure of α-D (+) glucopyranose.
The molecule of glucose is also called ______.
The two monosaccharides in a disaccharide are held together by ______ bonds.
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 |
Corn is immersed in boiling water. It is then cooled, and the solution becomes sweet. It is due to ______.
\[\ce{CH2OH-CO-(CHOH)4-CH2OH}\] is an example of ______.
Why carbohydrates are generally optically active.
Describe the action of the following reagent on glucose:
dil. Nitric acid.
Write Fischer projection formulae for glucose.
Write the ring structure of glucose.
\[\ce{CH2OH - CO - (CHOH)4 - CH2 OH}\] is an example of ______.
\[\ce{CH2OH-CO-(CHOH)4-CH2OH}\] is an example of ______.
\[\ce{CH2OH - CO - (CHOH)4 - CH2OH}\] is an example of ______.
