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, Reaction of Glucose with Nitric Acid & Reaction of Glucose with Phenyl Hydrazine 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

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

EASY
IMPORTANT

C6H12O6373KHI/Red PA+B

The products A and B respectively are

MEDIUM
IMPORTANT

Hydrolysis of sucrose gives:

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

EASY
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Total number of atoms in ring of pyranose are:

MEDIUM
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Glucose on reduction with NaBH4 gives

EASY
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α-D glucose and β-D glucose are :-

MEDIUM
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Which of the following will give different osazone than the other three?

EASY
IMPORTANT

What compound will be obtained when glucose is reduced with Na/Hg and water?

MEDIUM
IMPORTANT

On oxidation with bromine water, glucose gives a carboxylic acid 'x' The number of -COOH  group(s) in 'x' is_______.

EASY
IMPORTANT

On reduction of glucose with Na/Hg and water gives?