Glucose and its Properties

IMPORTANT

Glucose and its Properties: Overview

This topic covers concepts, such as, Preparation of Glucose from Sucrose (Cane Sugar), Preparation of Glucose from Starch, Mutarotation & Lobry de Bruyn van Ekenstein Rearrangement etc.

Important Questions on Glucose and its Properties

EASY
IMPORTANT

The products obtained on hydrolysis of sucrose are:

MEDIUM
IMPORTANT

What are the products formed when D-glucose is reacted with the following species?

(i) HI/red P

(ii) Bromine water

EASY
IMPORTANT

Which of the following reactions and facts of D-glucose cannot be explained by its open chain structure?

(i) Despite having the aldehyde group, glucose does not give Schiff test and 2, 4-DNP test.

(ii) Glucose does not react with sodium hydrogen sulphite to form addition product.

(iii) The pentaacetate of glucose does not react with hydroxyl amine showing the absence of free-CHO group.

HARD
IMPORTANT

Treatment of D-glucose with aqueous NaOH results in a mixture of monosaccharides, which are

MEDIUM
IMPORTANT

Glucose on prolonged heating with HI gives

EASY
IMPORTANT

Complete hydrolysis of starch gives:

HARD
IMPORTANT

Which of the following will form the same osazone when treated with excess of phenylhydrazine?

HARD
IMPORTANT

Glucose on treatment with excess of phenyl hydrazine gives

HARD
IMPORTANT

Formation of α and β methyl glucosides by glucose, on heating with CH3OH ,in presence of dry HCl gas indicates the presence of a/an

EASY
IMPORTANT

C6H12O6373KHI/Red PA+B

The products A and B respectively are

MEDIUM
IMPORTANT

Hydrolysis of sucrose gives:

MEDIUM
IMPORTANT

Name the reagent which on reaction with glucose confirms the presence of five hydroxyl groups in glucose:

MEDIUM
IMPORTANT

Which of the following statement is not true about glucose?
 

EASY
IMPORTANT

Total number of atoms in ring of pyranose are:

EASY
IMPORTANT

Which of the following reactions of glucose can be explained only by its cyclic structure?

EASY
IMPORTANT

The incorrect statement among the following is

EASY
IMPORTANT

Which is not the product of light reaction of photosynthesis ?

EASY
IMPORTANT

In α-D-Glucose, the anomeric carbon is at :

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EASY
IMPORTANT

D-glucose and D-fructose can be distinguished by

MEDIUM
IMPORTANT

The correct statement about the compounds I, II and III :

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