Strenght of sigma bond and pie bond | Concept of Resonance

In a sigma bond

Sigma Bond And Pi Bond

Sigma bonds are

The ratio of sigma- bond and pi- bond in tetracryano ethylene is :

Statement-1 The ratio of sigma -bonds and pi -bonds in tetra-cynomethane is 1 . Statement-2 Tetra-cyanomethane has 8 pi and 8 sigma bonds.

The ratio of sigma and pi bond in benzene is

Number of sigma and pi bonds present in :