Advertisements
Advertisements
Question
What is the action of the following reagents on glucose?
acetic anhydride
Advertisements
Solution
Glucose reacts with acetic anhydride to form glucose pentaacetate.
APPEARS IN
RELATED QUESTIONS
Draw a neat diagram for the following:
Haworth formula of glucopyranose.
Draw a neat diagram for the following:
Haworth formula of maltose
Write chemical reaction for following conversions
glucose into glucoxime
Classify the following carbohydrates into monosaccharide, disaccharide, oligosaccharide and polysaccharide:
glucose, cellulose, maltose, stachyose
Explain the classification of carbohydrates with examples.
Define carbohydrates.
Draw the Haworth projection structure of the following.
α-D-(–)-Fructofuranose
Write a chemical reaction to convert glucose into glucose cyanohydrin.
By which of the following process formation of glycosidic bond occurs?
Identify the bond that links the carbon of two adjacent monosaccharides.
Which of the following carbohydrate is sweet to taste?
From the following which is a heteropolysaccharide?
Identify the sugar having the molecular formula C6H1206.
By which of the following feature we can identify the relatively small DNA molecules of plasmids?
Identify a non-reducing carbohydrate from the following.
Match the Column I and Column II select the correct option.
| Column I | Column II | ||
| i. | Monosaccharides | a. | Stored energy in animals |
| ii. | Glycogen | b. | Polymer made from ß-glucose molecules |
| iii. | Cellulose | c. | Exoskeleton of arthropods |
| iv. | Chitin | d. | Building blocks of carbohydrates |
| e. | Plant hormone |
The number of asymmetric carbon atoms in the glucose molecule is ____________.
Which carbon atoms of α- D glucopyranose and β-D-fructofuranose respectively are linked together to form glycosidic linkage in sucrose?
4-O-(α-D-Glucopyranosyl)-D-glucopyranose is ____________.
Identify the INCORRECT statement regarding glucose.
Stachyose is ____________.
Which one of the following is a carbohydrate but does NOT follow the general formula of carbohydrate?
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 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?
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)
Which among the following reagents is used for conversion of glucose to glucoxime?
How many moles of acetic acid are obtained in the reaction when one mole glucose is treated with excess acetic anhydride?
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?
The correct corresponding order of names of four aldoses with configuration given below Respectively is:
Which one given below is a non-reducing sugar?
\[\ce{Glucose ->[(HCN)] Product ->[(hydrolysis)] Product ->[(HI + Heat)] A}\], the compound A 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.
Is the following sugar, D-sugar or L-sugar?
Glucose on oxidation with bromine water yields gluconic acid. This reaction confirms the presence of ______.
The glycosidic linkage present in maltose is ______.
\[\ce{CH2OH-CO-(CHOH)4-CH2OH}\] is an example of ______.
Why carbohydrates are generally optically active.
Assign D/L configuration to the following monosaccharides:
Write Fischer projection formulae for glucose.
Explain the hydrolysis of sucrose.
Why carbohydrates are generally optically active.
Why carbohydrates are generally optically active.
\[\ce{CH2OH - CO - (CHOH)4 - CH2 OH}\] is an example of ______.
\[\ce{CH2OH-CO-(CHOH)4-CH2OH}\] is an example of ______.
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.
What are the number of chiral carbon atoms and the number of formyl groups, respectively, present in ribose?
