1
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 14 English
The correct structure(s) of $$\beta $$-$$L$$-glucopyranose is (are) :
A
JEE Advanced 2018 Paper 2 Offline Chemistry - Biomolecules Question 14 English Option 1
B
JEE Advanced 2018 Paper 2 Offline Chemistry - Biomolecules Question 14 English Option 2
C
JEE Advanced 2018 Paper 2 Offline Chemistry - Biomolecules Question 14 English Option 3
D
JEE Advanced 2018 Paper 2 Offline Chemistry - Biomolecules Question 14 English Option 4
2
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.
3
JEE Advanced 2015 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2

The structure of D-(+)-glucose is

JEE Advanced 2015 Paper 1 Offline Chemistry - Biomolecules Question 9 English

The structure of L-($$-$$)-glucose is

A
JEE Advanced 2015 Paper 1 Offline Chemistry - Biomolecules Question 9 English Option 1
B
JEE Advanced 2015 Paper 1 Offline Chemistry - Biomolecules Question 9 English Option 2
C
JEE Advanced 2015 Paper 1 Offline Chemistry - Biomolecules Question 9 English Option 3
D
JEE Advanced 2015 Paper 1 Offline Chemistry - Biomolecules Question 9 English Option 4
4
IIT-JEE 2009 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

The correct statement(s) about the following sugar X and Y is(are)

IIT-JEE 2009 Paper 2 Offline Chemistry - Biomolecules Question 3 English 1IIT-JEE 2009 Paper 2 Offline Chemistry - Biomolecules Question 3 English 2

A
X is a reducing sugar and Y is a non-reducing sugar.
B
X is a non-reducing sugar and Y is a reducing sugar.
C
The glucosidic linkages in X and Y are $$\alpha$$ and $$\beta$$, respectively.
D
The glucosidic linkages in X and Y are $$\beta$$ and $$\alpha$$, respectively.
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