select the statement that differentiates between an aromatic and antiaromatic compound.
Question
Select the statement that differentiates between an aromatic and antiaromatic compound.
Solution
An aromatic compound is a cyclic, planar compound with a ring of resonance bonds that exhibits more stability than other geometric or connective arrangements with the same set of atoms. A classic example is benzene.
On the other hand, an antiaromatic compound is also a cyclic and planar compound, but it is less stable compared to the corresponding non-aromatic compound. This is due to the fact that antiaromatic compounds have a closed loop of p-orbitals containing 4n electrons (where n is an integer), which leads to destabilization. An example of an antiaromatic compound is cyclobutadiene.
So, the key difference between aromatic and antiaromatic compounds lies in their stability: aromatic compounds are more stable than their non-aromatic counterparts, while antiaromatic compounds are less stable.
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