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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
Give scientific reasons:
Hydrolysis of sucrose is called inversion.
Glucose on oxidation with dilute nitric acid gives _______________
Draw the structure of α-D glucopyranose.
Write the name of the unit to which glucose unit is linked to from sucrose.
Write chemical reaction for following conversions
glucose into glucoxime
Draw the Haworth projection structure of the following.
α-D-(–)-Fructofuranose
Explain D and L configuration in sugars.
Draw the structure of the pyran.
Which of the following type of carbohydrates cannot be hydrolyzed?
Identify the bond that links the carbon of two adjacent monosaccharides.
Which enzymes would work sequentially on potatoes consumed by an individual?
Which of the following carbohydrate is sweet to taste?
______ is the prosthetic group of glycoproteins.
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?
Which is the product obtained, when Br2 water reacts with glucose?
Chitin is a/an ______.
Identify the CORRECT combination.
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 |
Raffinose, sucrose and stachyose are respectively ____________.
Prolonged heating of glucose with hot HI results in the formation of ____________.
Identify the INCORRECT statement regarding glucose.
The general formula for polysaccharide is ____________.
Stachyose is ____________.
Which one of the following carbohydrates is insoluble in water?
What is the number of hydroxyl groups present in lactic acid?
When 2 moles of stachyose is hydrolyzed, the number of moles of galactose obtained is ____________.
Which of the following statement is NOT true about saccharic acid?
Which among the following sugars does not reduce Tollen's reagent?
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 molecular formula of glyceraldehyde?
Which among the following reagents is used to obtain gluconic acid from glucose?
Identify the product Y in the following reaction.
\[\ce{Maltose ->[Hydrolysis] X ->[dil. HNO3][(excess)] Y}\]
When one mole of lactose is hydrolysed, the hydrolysate contains ____________.
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:
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 ____________.
What are reducing and non-reducing sugars?
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Lactose
If 'n' represents total number of asymmetric carbon atoms in a compound, then the possible· number of optical isomers of the compound is ______.
Lactose is made of ______.
The two monosaccharides in a disaccharide are held together by ______ bonds.
Which one is a non-reducing commercial sugar?
Formation of gluconic acid from glucose by oxidation using Br2 water.
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.
Carbohydrates that do not undergo hydrolysis further are called ______.
Write the ring structure of glucose.
CH2 OH - CO - (CHOH)4 - CH2 OH is an example of ______.
The linkage present in Lactose is ______.
Why carbohydrates are generally optically active?
\[\ce{CH2OH - CO - (CHOH)4 - CH2 OH}\] is an example of ______.
Why carbohydrates are generally optically active?
Given below are two statements.
Statement I - Lactose on hydrolysis converts into glucose and galactose.
Statement II - Galactose also plays same role as glucose in respiration.
In light of the above statements, select the correct option given below.
Which of the following is used to separate glucose and fructose from hydrolysate of sucrose?
