Advertisements
Advertisements
Question
What is the action of the following reagents on glucose?
hydrogen iodide
Solution
Glucose gives n-hexane on prolonged heating with hydrogen iodide, HI.
\[\ce{\underset{\text{Glucose}}{CHO(CHOH)4CH2OH} ->[\Delta,HI] \underset{\text{n-Hexane}}{CH3-(CH2)4-CH3}}\]
APPEARS IN
RELATED QUESTIONS
Draw a neat diagram for the following:
Haworth formula of glucopyranose.
Write the name of the unit to which glucose unit is linked to from sucrose.
Explain the preparation of glucose from sucrose.
What is the action of the following reagents on glucose?
acetic anhydride
Draw the structure of the pyran.
Which of the following is the basic unit of carbohydrates?
Formation of lactose by conden ation results in the release of how many molecules of water?
______ is the prosthetic group of glycoproteins.
Identify the sugar having the molecular formula C6H1206.
Fructose is the fruit sugar and chemically it is ketohexose but it has a ______ rather than a ______.
Which among the following compounds is obtained when glucose reacts with hydrogen cyanide?
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 |
From the following identify the two types of glucose polymers present in starch.
Which among the following type of linkages is present in cellulose?
Prolonged heating of glucose with hot HI results in the formation of ____________.
Which of the following monosaccharide is a ketohexose?
Which element among the following is not present in saccharine?
Which among the following statements is true for amylose?
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?
Identify the product Y in the following reaction.
\[\ce{Maltose ->[Hydrolysis] X ->[dil. HNO3][(excess)] Y}\]
The correct corresponding order of names of four aldoses with configuration given below Respectively is:
Which one given below is a non-reducing sugar?
The number of sp2 and sp3 hybridised carbon in fructose are respectively ____________.
Which of the following are epimers?
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Fructose
Classify the following into monosaccharides, oligosaccharides and polysaccharides.
Maltose
The molecule of glucose is also called ______.
Hydrolysis of sucrose is called ______.
