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1
JEE Main 2022 (Online) 28th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
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For the below given cyclic hemiacetal (X), the correct pyranose structure is :

JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Biomolecules Question 44 English

A
JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Biomolecules Question 44 English Option 1
B
JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Biomolecules Question 44 English Option 2
C
JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Biomolecules Question 44 English Option 3
D
JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Biomolecules Question 44 English Option 4
2
JEE Main 2022 (Online) 27th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
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Match List - I with Match List - II.

List - I List - II
(A) Glucose + HI (I) Gluconic acid
(B) Glucose + Br$$_2$$ water (II) Glucose pentacetate
(C) Glucose + acetic anhydride (III) Saccharic acid
(D) Glucose + HNO$$_3$$ (IV) Hexane

Choose the correct answer from the options given below:

A
(A) - (IV), (B) - (I), (C) -(II), (D) - (III)
B
(A) - (IV), (B) - (III), (C) -(II), (D) - (I)
C
(A) - (III), (B) - (I), (C) -(IV), (D) - (II)
D
(A) - (I), (B) - (III), (C) -(IV), (D) - (II)
3
JEE Main 2022 (Online) 27th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A sugar 'X' dehydrates very slowly under acidic condition to give furfural which on further reaction with resorcinol gives the coloured product after sometime. Sugar 'X' is

A
Aldopentose
B
Aldotetrose
C
Oxalic acid
D
Ketotetrose
4
JEE Main 2022 (Online) 26th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Animal starch is the other name of

A
amylose.
B
maltose.
C
glycogen.
D
amylopectin.
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