A detailed explanation of Aromaticity with previous years' questions.
(aromatic, quasi-aromatic, anti-aromatic and non-aromatic compounds)

Answer key of questions given at end of video:
1)b
2) a
3)c
4)b
5)a
6)d
7)d
8)a
9)a
10)a
11)c
12)d
13)d
14)d
15)d
16)d
17)c
18)c
19)b
20) c
21)a
22)c