Indicate the σ and π bonds in the following molecules :

C₆H₆, C₆H₁₂, CH₂C_l2, CH₂=C=CH₂, CH₃NO₂, HCONHCH₃

C₆H₆

There are 6 C-C sigma bonds, 6 C-H sigma bonds and 3 C=C pi resonating bonds.

C₆H₁₂

There are 6 C-C sigma bonds and 12 C-H sigma bonds.

CH₂C₁₂

There are 2 C-H sigma bonds,and 2 C-Cl sigma bonds.

CH₂=C=CH₂

There are 1 C-N sigma bonds, 3 C-H sigma bonds, 1 N-O sigma bond and 2 C=C pi bonds.

CH₃NO₂

There are 6 C-C sigma bonds, 6 C-H sigma bonds and 1 N=O pi resonating bonds.

HCONHCH₃

There are 2 C-N sigma bonds, 4 C-H sigma bonds and 1 N-H bond AND 1 C=O pi bond.