Glucose and Its Properties

IMPORTANT

Glucose and Its Properties: Overview

This topic covers concepts, such as Reaction of Glucose with Nitric Acid, Acetylation of Glucose, Optical Activity of Glucose, Preparation of Glucose from Starch, Reduction of Glucose, Open Chain Structure 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.

HARD
IMPORTANT

Crystallization of glucose from hot and saturated aqueous solution at 371 K is

HARD
IMPORTANT

The CORRECT methods for saccharic acid synthesis among the following are
P. Reaction of glucose with Br2/water
Q. Reaction of glucose with HNO3
R. Reaction of gluconic acid with HNO3

EASY
IMPORTANT

Question Image

Select the incorrect statement about the structure of glucose is

EASY
IMPORTANT

The reagent which forms crystalline osazone derivative when reacted with glucose is

EASY
IMPORTANT

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

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
IMPORTANT

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

EASY
IMPORTANT

Total number of atoms in ring of pyranose are:

MEDIUM
IMPORTANT

Glucose on reduction with NaBH4 gives

EASY
IMPORTANT

α-D glucose and β-D glucose are :-

MEDIUM
IMPORTANT

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?