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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 _______________
Write chemical reaction for following conversions
glucose into gluconic acid
Explain the classification of carbohydrates with examples.
What is the action of the following reagents on glucose?
acetic anhydride
Define carbohydrates.
Explain D and L configuration in sugars.
Which of the following type of carbohydrates cannot be hydrolyzed?
Identify the bond that links the carbon of two adjacent monosaccharides.
From the following identify an example of disaccharides.
Which of the following monosaccharides is a tetrose sugar?
From the following identify the group that is exclusively consists of polysaccharides.
From the following which is a heteropolysaccharide?
By which of the following feature we can identify the relatively small DNA molecules of plasmids?
Identify a non-reducing carbohydrate from the following.
From the following identify the two types of glucose polymers present in starch.
Identify the CORRECT combination.
Prolonged heating of glucose with hot HI results in the formation of ____________.
Identify the INCORRECT statement regarding glucose.
Which of the following monosaccharide is a ketohexose?
Which one of the following carbohydrates is insoluble in water?
Which one of the following is NOT soluble in water?
Which of the following molecules reduces Fehling's solution?
Which following reagent is used to detect presence of five hydroxyl groups in a glucose molecule?
Which one of the following sugar does NOT have same empirical fonnula as that of carbohydrate?
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 among the following reagents is used to confirm the presence of carbonyl group in glucose?
On hydrolysis sucrose gives ____________.
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)
Identify the product Y in the following reaction.
\[\ce{Maltose ->[Hydrolysis] X ->[dil. HNO3][(excess)] Y}\]
Which among the following is a product of hydrolysis of one mole raffinose?
How many optical isomers are possible for a compound having four asymmetric carbon atoms?
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.
Glucose is an aldose. Which one of the following reactions is not expected with glucose?
α-D (+) Glucose and β-D (+) glucose are ____________.
Why carbohydrates are generally optically active?
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Sucrose
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 ______.
Consider the following reaction
\[\ce{A <-[Br2 - H2O] Glucose ->[HNO3] B}\]
Here, 'A' and 'B' are respectively.
Carbohydrates that do not undergo hydrolysis further are called ______.
Explain the hydrolysis of sucrose.
The linkage present in Lactose is ______.
Why carbohydrates are generally optically active?
Why carbohydrates are generally optically active?
Two monosaccharides are held together by ______ bond.
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.
