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Frost Circle Solutions Library

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13 solutions

Frost Circle

Q. Apply the polygon circle method to the following compound. Does it show any special stability? If yes, why?  Tropyllium cation

Solved • Dec 20, 2017

Frost Circle

Q. Apply the polygon circle method to the following compound. Does it show any special stability? If yes, why?  Cyclopropenium anion

Solved • Dec 20, 2017

Frost Circle

Q. Apply the polygon circle method to the following compound. Does it show any special stability? If yes, why?  Cyclopentadienyl anion

Solved • Dec 20, 2017

Frost Circle

Q. Apply the polygon circle method to the following compound. Does it show any special stability? If yes, why?  Benzene

Solved • Dec 20, 2017

Frost Circle

Q. Using a Frost circle, draw the molecular orbital energy diagram for the cyclopentadienyl anion and predict if it is aromatic.

Solved • Jun 27, 2017

Frost Circle

Q. Using the polygon rule, draw out and decide whether the following species are aromatic or anti-aromatic.

Solved • May 9, 2017

Frost Circle

Q. Which is the best depiction of the molecular orbitals of imidazole?

Solved • Feb 8, 2017

Frost Circle

Q. Pick the correct energy diagram for cyclooctatetraene. In this case, assume the ring is flat. 

Solved • Feb 8, 2017

Frost Circle

Q. Which is the proper orbital description of cyclopropene anion?

Solved • Feb 8, 2017

Frost Circle

Q. Which of the following molecular orbital diagrams best fits that of pyrrole?

Solved • Oct 4, 2016

Frost Circle

Q. Which of the following best describes the MO diagram of the aromatic cycloheptatriene cation?

Solved • Apr 28, 2016

Frost Circle

Q. The MO diagrams of five compounds are shown below. Which one is anti-aromatic?

Solved • Apr 28, 2016

Frost Circle

Q. For the energy diagram shown below:  1) There are 3 antibonding orbitals and 2 bonding orbitals 2) There are 2 antibonding orbitals and 2 non-bon...

Solved • Feb 15, 2016