Chemistry - GOC Question with Solution | TestHub
ChemistryGOCAromaticityEasy2 minQB
ChemistryEasysingle choice
Which of the following compounds is not aromatic ? (assume planar rings)
(A) 
(B) 
(C) 
(D) 
(C) is the cycloheptatrienyl radical.
Options:
Answer:
C
Solution:
(A) pyridine, (B) the pyrylium cation and (D) imidazole each have 6 π electrons in a planar ring : aromatic. (C) the cycloheptatrienyl radical has 7 π electrons (3 C=C + one unpaired electron), which is not 4n+2 : not aromatic.
Stream:JEESubject:ChemistryTopic:GOCSubtopic:Aromaticity
⏱ 2mℹ️ Source: QB
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