Q8 of 68 Page 39

Number of π bonds and σ bonds in the following structure is–

Each double bond has one pie bond. The single bond is sigma bond.

So, we can see in the above diagram that Napthalene molecule has 5 double bond and 19 sigma bonds.

Thus, Option (iii) is the correct answer.

In NO₃^- ion, the number of bond pairs and lone pairs of electrons on nitrogen atom are

Which of the following species has tetrahedral geometry?

Which molecule/ion out of the following does not contain unpaired electrons?

In which of the following molecule/ion all the bonds are not equal?