Chemistry - GOC Question with Solution | TestHub
ChemistryGOCAromaticityEasy2 minQB
ChemistryEasysingle choice
Which of the following is unstable at room temperature ?
(A) 
(B) 
(C) 
(D) 
Options:
Answer:
C
Solution:
(A) Cyclohexa-1,3-diene is stable. (B) The tropylium cation is aromatic (6π). (C) Borole has 4 π electrons in a planar ring with an empty p orbital on boron : anti-aromatic and unstable. (D) Tropolone is aromatic (tropylium character). So (C).
Stream:JEESubject:ChemistryTopic:GOCSubtopic:Aromaticity
⏱ 2mℹ️ Source: QB
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