Indicate whether or not each of the following structures is considered to be aromatic. Indicate whether…
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Question “Indicate whether or not each of the following structures is considered to be aromatic. Indicate whether…”
Indicate
whether or not each of the following structures is considered to be
aromatic.
Indicate whether or not each of the following structures is considered to be aromatic. A is aromatic, B is not. B is aromatic, A is not. Both A and B are aromatic. A and B are not aromatic.
Answer
Concepts and Reason
This problem was solved by using Huckel’s rule to determine the aromatic compound.
Fundamentals
The compound which has continuous cyclic structure with
electrons, where
are called aromatic compound.
The compound with a continuous cyclic structure and
elements, where _media_tag_3$ are called Anti-aromatic.
Non-aromatic compounds are those that lack planarity.
Huckel’s rule applies to aromatic compounds.
The Huckel’s rule states that compound should be stratified under the following conditions.
1.Compound contains
electrons in their structure where n is the integer number like 0,1, 2 etc.
2.Carbons of compound should be in
hybridization state.
3.Compound must have cyclic properties. Non-cyclic compounds are not aromatic.
4.Compound includes conjugation refers to alternative single or double bonds
These compounds have the following structure:
Combine A
Compound B
Three double bonds in compound A total six p electrons.
Compound B The 4 electrons from the double bonds would be the electrons, and the single oxygen pair would be the electron involved in conjugation. So total 6pi electrons.
Combine A
Because it is not a planar molecule, Compound A cannot be considered an example of an aromatic compound.
Compound B
An example of an aromatic compound is Compound B.
Ans:
This means that compound B is aromatic and A is not.
Conclusion
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