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, Open Chain Structure of Glucose, Pyranose Structure of Glucose, Epimers of Glucose, Anomers of Glucose, 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.

MEDIUM
IMPORTANT

Name the reagent and condition required for carrying out of the following reaction

Question Image

EASY
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Rapid inter conversion of α-D-Glucose and β-D-Glucose in solution is known as

EASY
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Starch is hydrolysed in presence of sulphuric acid to obtain _____.

EASY
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How is glucose obtained from starch?

MEDIUM
IMPORTANT

Glucose on prolonged heating with HI gives

EASY
IMPORTANT

Complete hydrolysis of starch gives:

EASY
IMPORTANT

C6H12O6373KHI/Red PA+B

The products A and B respectively are:

EASY
IMPORTANT

C6H12O6373KHI/Red PA+B

The products A and B respectively are

EASY
IMPORTANT

C6H12O6373KHI/Red PA+B

The products A and B respectively are

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:

HARD
IMPORTANT

Name of the product formed when glucose reacts with concentrated HNO3.

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?