![1. Strong Covalent Bonds. Consider the pi bond of ethene in simple molecular orbital terms (The qualitative results would be the same for any pi or sigma bond. 1. Strong Covalent Bonds. Consider the pi bond of ethene in simple molecular orbital terms (The qualitative results would be the same for any pi or sigma bond.](http://research.cm.utexas.edu/nbauld/unit1_files/image003.gif)
1. Strong Covalent Bonds. Consider the pi bond of ethene in simple molecular orbital terms (The qualitative results would be the same for any pi or sigma bond.
![Rationalize the differences between the \pi orbitals of butadiene and acrolein (use MO diagram). | Homework.Study.com Rationalize the differences between the \pi orbitals of butadiene and acrolein (use MO diagram). | Homework.Study.com](https://homework.study.com/cimages/multimages/16/untitl656556ed2457764074561977709.png)
Rationalize the differences between the \pi orbitals of butadiene and acrolein (use MO diagram). | Homework.Study.com
![The relative energy levels of the five pi molecular orbitals of the cyclopentadienyl system are similar to those in benzene. That is, there is a single lowestenergy MO, above which the orbitals The relative energy levels of the five pi molecular orbitals of the cyclopentadienyl system are similar to those in benzene. That is, there is a single lowestenergy MO, above which the orbitals](https://homework.study.com/cimages/multimages/16/likun18632111931685760471.png)
The relative energy levels of the five pi molecular orbitals of the cyclopentadienyl system are similar to those in benzene. That is, there is a single lowestenergy MO, above which the orbitals
![Rationalize the differences between the \pi orbitals of butadiene and acrolein (use MO diagram). | Homework.Study.com Rationalize the differences between the \pi orbitals of butadiene and acrolein (use MO diagram). | Homework.Study.com](https://homework.study.com/cimages/multimages/16/untitl656556ed724514874164418761.png)
Rationalize the differences between the \pi orbitals of butadiene and acrolein (use MO diagram). | Homework.Study.com
![Conjugated Pi Systems and Pericyclic Reactions - 17.9 - Molecular Orbital Theory Flashcards | Quizlet Conjugated Pi Systems and Pericyclic Reactions - 17.9 - Molecular Orbital Theory Flashcards | Quizlet](https://o.quizlet.com/Iy-WdEFIwLR.SAhEMElFPA.png)