1
JEE Advanced 2026 Paper 2 Online
MCQ (More than One Correct Answer)
+4
-1

The correct statement(s) regarding sugars is(are) :

A

On treatment with HNO3, gluconic acid is oxidized to saccharic acid, whereas glucose is not oxidized to saccharic acid.

B

Fructose gives a positive Fehling’s test because it isomerises to glucose and another aldohexose in the presence of Fehling’s reagent.

C

Invert sugar is an equimolar mixture of D-glucose and D-fructose formed after hydrolysis of the corresponding disaccharide.

D

Specific rotation of invert sugar is −40°.

2
JEE Advanced 2021 Paper 1 Online
MCQ (More than One Correct Answer)
+4
-2
Change Language
Given :

JEE Advanced 2021 Paper 1 Online Chemistry - Biomolecules Question 20 English
The compound(s), which on reaction with HNO3 will give the product having degree of rotation, [$$\alpha$$]D = $$-$$52.7$$^\circ$$ is (are)
A
JEE Advanced 2021 Paper 1 Online Chemistry - Biomolecules Question 20 English Option 1
B
JEE Advanced 2021 Paper 1 Online Chemistry - Biomolecules Question 20 English Option 2
C
JEE Advanced 2021 Paper 1 Online Chemistry - Biomolecules Question 20 English Option 3
D
JEE Advanced 2021 Paper 1 Online Chemistry - Biomolecules Question 20 English Option 4
3
JEE Advanced 2019 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-1
Change Language
Which of the following statement(s) is(are) true?
A
The two six-membered cyclic hemiacetal forms of D-(+)- glucose are called anomers.
B
Oxidation of glucose with bromine water gives glutamic acid
C
Monosaccharides cannot be hydrolysed to given polyhydroxy aldehydes and ketones
D
Hydrolysis of sucrose gives dextrorotatory glucose and laevorotatory fructose
4
JEE Advanced 2018 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2
Change Language
The Fischer presentation of $$D$$-glucose is given below.

JEE Advanced 2018 Paper 2 Offline Chemistry - Biomolecules Question 23 English
The correct structure(s) of $$\beta $$-$$L$$-glucopyranose is (are) :
A
JEE Advanced 2018 Paper 2 Offline Chemistry - Biomolecules Question 23 English Option 1
B
JEE Advanced 2018 Paper 2 Offline Chemistry - Biomolecules Question 23 English Option 2
C
JEE Advanced 2018 Paper 2 Offline Chemistry - Biomolecules Question 23 English Option 3
D
JEE Advanced 2018 Paper 2 Offline Chemistry - Biomolecules Question 23 English Option 4

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