1
JEE Main 2021 (Online) 25th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following is correct structure of $$\alpha$$-anomer of maltose?
A
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Biomolecules Question 90 English Option 1
B
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Biomolecules Question 90 English Option 2
C
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Biomolecules Question 90 English Option 3
D
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Biomolecules Question 90 English Option 4
2
JEE Main 2021 (Online) 25th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following compound is added to the sodium extract before addition of silver nitrate for testing of halogens?
A
Nitric acid
B
Sodium hydroxide
C
Ammonia
D
Hydrochloric acid
3
JEE Main 2021 (Online) 25th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product of the following reaction is :

JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 120 English
A
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 120 English Option 1
B
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 120 English Option 2
C
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 120 English Option 3
D
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 120 English Option 4
4
JEE Main 2021 (Online) 25th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct order of bond dissociation enthalpy of halogens is :
A
F2 > Cl2 > Br2 > I2
B
Cl2 > Br2 > F2 > I2
C
I2 > Br2 > Cl2 > F2
D
Cl2 > F2 > Br2 > I2
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