Draw an Aufbau (energy level) diagram for the n-bonding system in following compound. Properly label each of the n orbitals as t, mmb, or rt orbitals. Briefly explain if the compound is aromatic or antiaromatic based on the diagram. 1. 2. Which of the following species are aromatic or anti-aromatic? Assume all -systems are in a planar arrangement. Circle those that are aromatic. Put an X through those that are anti-aromatic. Leave non-aromatic species unmarked. No explanations are needed.
Draw an Aufbau (energy level) diagram for the n-bonding system in following compound. Properly label each of the n orbitals as t, mmb, or rt orbitals. Briefly explain if the compound is aromatic or antiaromatic based on the diagram. 1. 2. Which of the following species are aromatic or anti-aromatic? Assume all -systems are in a planar arrangement. Circle those that are aromatic. Put an X through those that are anti-aromatic. Leave non-aromatic species unmarked. No explanations are needed.
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Questions 1 & 2 Please
Transcribed Image Text:Draw an Aufbau (energy level) diagram for the
n-bonding system in following compound. Properly
label each of the n orbitals as n, mmb, or rť orbitals.
Briefly explain if the compound is aromatic or
antiaromatic based on the diagram.
1.
Which of the following species are aromatic or anti-aromatic? Assume all n-systems are in a planar arrangement. Circle those
that are aromatic. Put an X through those that are anti-aromatic. Leave non-aromatic species unmarked. No explanations
are needed.
2.
Expert Solution
Step 1
The aromaticity of a compound depicted by Huckel's rule of aromaticity :
- The molecule has to be cyclic.
- The molecule has to be planar (where cyclic conjugation is observed)
- The molecule should contains (4n+2) π electrons.
For the anti-aromatic compound , all the rules are same except the third one where ,
The molecule contains 4n π electrons.
For the non-aromatic compound the molecule is not planar and no conjugation is observed.
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