Give difference between sigma `(sigma)` bond and pi `(pi)` bond.

Explanation

During the formation of sigma bond, overlapping of atomic orbitals take place to a larger extent. It makes the sigma bond stronger. On the other hand in pi bond, overlapping of atomic orbitals take place to a small extent. It makes the `pi` bond weaker. Therfore, sigma bond `(sigma)` is stronger than pi `(pi)` bond.