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प्रश्न
What is the action of the following reagents on glucose?
acetic anhydride
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उत्तर
Glucose reacts with acetic anhydride to form glucose pentaacetate.
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संबंधित प्रश्न
Draw a neat diagram for the following:
Haworth formula of glucopyranose.
Glucose on oxidation with dilute nitric acid gives _______________
Write the name of the polysaccharide used for the commercial preparation of glucose.
Write chemical reaction for following conversions
glucose into glucoxime
Explain D and L configuration in sugars.
Which of the following carbohydrate is sweet to taste?
Formation of lactose by conden ation results in the release of how many molecules of water?
From the following identify the group that is exclusively consists of polysaccharides.
From the following which is a heteropolysaccharide?
The reserve food material in animals is ____________.
Identify the WRONG statement.
By which of the following feature we can identify the relatively small DNA molecules of plasmids?
Chitin is a/an ______.
The number of asymmetric carbon atoms in the glucose molecule is ____________.
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 ____________.
All these carbohydrates contain \[\ce{1 -> 4β}\] glycosidic linkage, EXCEPT ____________.
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?
Which one of the following is NOT soluble in water?
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?
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 number of oxygen atoms present in saccharic acid?
How many moles of acetic acid are obtained in the reaction when one mole glucose is treated with excess acetic anhydride?
What is the product obtained when Br2 water reacts with glucose?
When one mole of lactose is hydrolysed, the hydrolysate contains ____________.
How many optical isomers are possible for a compound having four asymmetric carbon atoms?
Which one given below is a non-reducing sugar?
Glucose is an aldose. Which one of the following reactions is not expected with glucose?
Write the structure of α-D (+) glucopyranose.
The molecule of glucose is also called ______.
A molecule of stachyose contains how many carbon atoms?
Which carbon atoms of fructose are bonded together through oxygen forming fructofuranose?
Identify the product obtained in the following conversion.
\[\ce{Glucose ->[(O)][Br2 water] Product}\]
Assign D/L configuration to the following monosaccharides:
Describe the action of the following reagent on glucose:
Bromine water
Write Fischer projection formulae for glucose.
Write the ring structure of glucose.
Why carbohydrates are generally optically active.
The linkage present in Lactose is ______.
Why are carbohydrates generally optically active?
Write the Zwitter ion structure of alanine.
\[\ce{CH2OH - CO - (CHOH)4 - CH2 OH}\] is an example of ______.
\[\ce{CH2OH-CO-(CHOH)4-CH2OH}\] 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?
