Looking for classes? Ksquare Career Institute, Bengaluru →
Sigma and pi bonds
Appears in
Concepts tested here
- Counting sigma and pi bonds
- Pi bonds in molecules
All Questions
2015 AIPMT-I 1 question
-
Which of the following species contains equal number of $\sigma$- and $\pi$-bonds?
Each Xe=O bond has one $\sigma$ and one $\pi$ bond.
So $XeO_4$ has $4\sigma$ and $4\pi$ bonds — equal numbers.
2013 NEET 1 question
-
Which one of the following molecules contains no $\pi$ bond?$H_2O$ has only two O–H $\sigma$ bonds. $NO_2$, $CO_2$ and $SO_2$ all contain double bonds, i.e. $\pi$ bonds.