1
JEE Main 2021 (Online) 31st August Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The major products A and B in the following set of reactions are :

JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Compounds Containing Nitrogen Question 79 English
A
JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Compounds Containing Nitrogen Question 79 English Option 1
B
JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Compounds Containing Nitrogen Question 79 English Option 2
C
JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Compounds Containing Nitrogen Question 79 English Option 3
D
JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Compounds Containing Nitrogen Question 79 English Option 4
2
JEE Main 2021 (Online) 31st August Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following lanthanides exhibits +2 oxidation state with diamagnetic nature? (Given Z for Nd = 60, Yb = 70, La = 57, Ce = 58)
A
Nd
B
Yb
C
La
D
Ce
3
JEE Main 2021 (Online) 31st August Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : Aluminium is extracted from bauxite by the electrolysis of molten mixture of Al2O3 with cryolite.

Reason (R) : The oxidation state of Al in cryolite is +3.

In the light of the above statements, choose the most appropriate answer from the options given below :
A
(A) is true but (R) is false.
B
(A) is false but (R) is true.
C
Both (A) and (R) are correct and (R) is the correct explanation of (A)
D
Both (A) and (R) are correct but (R) is not the correct explanation of (A)
4
JEE Main 2021 (Online) 31st August Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product formed in the following reaction is :

JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 71 English
A
JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 71 English Option 1
B
JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 71 English Option 2
C
JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 71 English Option 3
D
JEE Main 2021 (Online) 31st August Morning Shift Chemistry - Alcohols, Phenols and Ethers Question 71 English Option 4
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