The no. of $\sigma$ & $\pi$ bonds present in $C_2{H}_2$ respectively are:

Q. No of $\sigma$ and $\pi$ bonds in $C_2(CN{)}_4$ are respectively :

Q. The number of $\sigma$ and $\pi$ bonds present in acetylene respectively are:

Q. The number of $\sigma$ and $\pi$ bonds in $C_2{H}_2$ is:

Q. The number of sigma $\left(\sigma \right)$ and $\left(\pi \right)$ bonds present in $1,3,5,7$-octatetraene are __________ respectively.

Q. How many $\sigma$ and $\pi$ bonds are present in the structure of D.D.T respectively?