JEE PYQ: General Organic Chemistry Question 3
Question 3 - 2021 (17 Mar Shift 1)
Which of the following is an aromatic compound?
(1) A cyclopentadienyl ring fused with a cyclobutadiene ring
(2) Two fused five-membered rings with a bridging double bond
(3) Cyclopentadienyl anion fused with benzene
(4) A bicyclic structure
Show Answer
Answer: (1)
Solution
The cyclopentadienyl anion-like system is aromatic.