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

JEE Advanced 2021 Paper 1 Online Chemistry - Biomolecules Question 16 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 16 English Option 1
B
JEE Advanced 2021 Paper 1 Online Chemistry - Biomolecules Question 16 English Option 2
C
JEE Advanced 2021 Paper 1 Online Chemistry - Biomolecules Question 16 English Option 3
D
JEE Advanced 2021 Paper 1 Online Chemistry - Biomolecules Question 16 English Option 4
2
JEE Advanced 2019 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-1
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
3
JEE Advanced 2018 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2
The Fischer presentation of $$D$$-glucose is given below.

JEE Advanced 2018 Paper 2 Offline Chemistry - Biomolecules Question 19 English
The correct structure(s) of $$\beta $$-$$L$$-glucopyranose is (are) :
A
JEE Advanced 2018 Paper 2 Offline Chemistry - Biomolecules Question 19 English Option 1
B
JEE Advanced 2018 Paper 2 Offline Chemistry - Biomolecules Question 19 English Option 2
C
JEE Advanced 2018 Paper 2 Offline Chemistry - Biomolecules Question 19 English Option 3
D
JEE Advanced 2018 Paper 2 Offline Chemistry - Biomolecules Question 19 English Option 4
4
JEE Advanced 2016 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

For "invert sugar", the correct statement(s) is(are)

(Given : specific rotations of (+)-sucrose, (+)-maltose, L-($$-$$)-glucose and L-(+)-fructose in aqueous solution are +66$$^\circ$$, +140$$^\circ$$, $$-$$52$$^\circ$$ and +92$$^\circ$$, respectively.)

A
"invert sugar" is prepared by acid catalyzed hydrolysis of maltose.
B
"invert sugar" is an equimolar mixture of D-(+)-glucose and D-($$-$$)-fructose.
C
specific rotation of "invert sugar" is $$-$$20$$^\circ$$.
D
on reaction with Br2 water, "invert sugar" forms saccharic acid as one of the products.
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