Subject: Organic Chemistry · Chapter: General Organic Chemistry · Topic: Aromaticity · Exam: CSIR-NET JUNE 2018 · Marks: 2 · Difficulty: Medium
The correct statement about the following species isA B
(a)Both A and B are aromatic
(b)A is aromatic and B is anti-aromatic
(c)A is non aromatic and B is antiaromatic
(d)A is aromatic and B is homoaromatic
Answer
Answer (as printed): B
Explanation
Compound A has (4n+2) π electrons, is completely conjugated and planar. Thus, it is aromatic. Compound B has 8π electrons and thus it is anti-aromatic.
Explanation as extracted from the printed page; notation may be imperfect.