Question

Explain huckel's rule of aromaticity with suitable examples

Answer 1

Huckel ruleIts an important rule to acertain oragnic compd to be aromatic.For any aromatic compd. , there is criteria to verify and for this Huckel Rule is most widely used.Few other points to be followed asCompd shd be cyclic,conjugatedCompd shd be planar(each carbon atom must be sp2 hybd)P orbitals shd be parallel.Must obey Huckel Rule( 4n+2 pi ) electron rule.Most impt aromatic compounds areBenzene and its derivatives(Benzoid)Some Non benzoid aromatic comd are likeCyclopropene cation.FuranPyrollePyridineThiophene.Etc

Answer 2

Answer:

4n+2 rule to determine if it's aromatic/antiaromatic/ or nonaromatic

Explanation:

Cyclobutadiene- it has 4 pi bonds therefore it is antiaromatic. It's cyclic, it's planar, it's not conjugated, and there is a sp3.

Benzene is aromatic- it is cyclic, planar, conjugated, sp2 hybridize and it satify the 4n+2 rule because you have 6 pi bonds and 4n+2= 6------> 4n=4--> n=1