Arrange the following molecules in increasing order of `sigma` to `pi` bond ratio:

Arrange the following molecules in the increasing order of sigma to pi bond ratio.

Arrange the following molecules in decreasing order of bond length.

Arrange the following in the increasing order of their bond order:

Arrange the following molecules in the correct order of decreasing C-C bond length:

Arrange following increasing order of bond length :

Consider the following molecule: What are the number of sigma and pi bonds present in the above molecule respectively ?

Consider the following molecule: What are the number of sigma and pi bonds present in the above molecule respectively ?

The ratio of sigma to pi bonds is benzene is :

Which of the following molecules possesses one sigma bond and two pi bonds?

Which of the following molecule/ion has maximum sigma:pi bond ratio?