1
JEE Main 2022 (Online) 29th July Morning Shift
+4
-1

Which among the following is the strongest Bronsted base?

A
B
C
D
2
JEE Main 2022 (Online) 28th July Morning Shift
+4
-1

Match List - I with List - II.

List - I List - II
(A) (I) Spiro compound
(B) (II) Aromatic compound
(C) (III) Non-planar Heterocyclic compound
(D) (IV) Bicyclo compound

Choose the correct answer from the options given below :

A
(A) - (II), (B) - (I), (C) - (IV), (D) - (III)
B
(A) - (IV), (B) - (III), (C) - (I), (D) - (II)
C
(A) - (III), (B) - (IV), (C) - (I), (D) - (II)
D
(A) - (IV), (B) - (III), (C) - (II), (D) - (I)
3
JEE Main 2022 (Online) 28th July Morning Shift
+4
-1

Among the following marked proton of which compound shows lowest $$\mathrm{pK}_{\mathrm{a}}$$ value?

A
B
C
D
4
JEE Main 2022 (Online) 27th July Morning Shift
+4
-1

Given below are two statements: one is labelled as Assertion A and, the other is labelled as Reason R.

Assertion A: [6] Annulene, [8] Annulene and cis-[10] Annulene, are respectively aromatic, not-aromatic and aromatic.

Reason R: Planarity is one of the requirements of aromatic systems.

In the light of the above statements, choose the most appropriate answer from the options given below.

A
Both A and R are correct and R is the correct explanation of A.
B
Both A and R are correct but R is NOT the correct explanation of A.
C
A is correct but R is not correct.
D
A is not correct but R is correct.
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