[" Which of the following species contains equal "],[" number of "sigma" -and "pi" - bonds:- "]

Which of the following species contains equal number of pi and pi bonds ?

Which of the following species contains equal number of pi and pi bonds ?

Which of the following species contain only sigma bond?

Which of the following species has equal number of sigma - and pi -bonds? ( C N ) 2 C H 2 ( C N ) 2 H C O 3- X e O 4

Number of sigma and pi bonds present in :

The number of sigma and pi bonds in o-xylene are