JEE Mains 2020 Model Paper 3 New Pattern

A = Carbon dioxide O = C = O has 2σ and 3π bonds
B = Benzene has 12σ and 3π bonds
C) 1 , 3 - Butadiene has 8σ and 2π bonds
Ratio of α and π bonds :

2

3

:

12

3

:

9

2

= 1 : 4 : 4.5