Give an example for non benzenoid Compounds

When you have the question to give an example for non benzenoid compounds . You can answer Pyridine or cyclobutadiene 

Also this is asked as below with options

Which is the non- benzenoid aromatic compound?


A. Benzene
B. Pyridine
C. Toluene
D. Phenol

What are non-benzenoid compounds?

Non-benzenoid compounds include aromatic hydrocarbons such as benzene, naphthalene, anthracene, phenanthrene, pyrene, biphenyl, chrysene, etc. They differ from benzenoids (e.g., benzene) in that they don’t contain a benzene ring.

Non-benzenoid compounds are also known as heterocyclic compounds or polycyclic aromatic hydrocarbon (PAH). The term PAH refers to molecules composed of at least two fused rings. These compounds are found in coal tar, petroleum distillates, crude oil, natural gas, and other organic substances.

Aromatic compounds have unsaturated hydrocarbons having ring structure exhibiting special properties like unusual stability. They have contain benzene rings or related structure. They also have fragrance

The answer is B.Pyridine

 cyclobutadiene (C4H4) and cyclooctatetraene (C8H8).

In short the quick answer for the question

Give an example for non benzenoid compounds?

Answer is :  cyclobutadiene (C4H4) and cyclooctatetraene (C8H8).

Chemistry

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