Q.

The number of σ bonds, π bonds and lone pair of electrons in pyridine, respectively are          [2023]

1 11, 3, 1  
2 12, 2, 1  
3 11, 2, 0  
4 12, 3, 0   

Ans.

(1)

σ bonds : 11
π bonds : 3
Lone pair : 1