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Chemistry
Which one of the following is a benzenoid aromatic compound?
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Q. Which one of the following is a benzenoid aromatic compound?
KEAM
KEAM 2016
Hydrocarbons
A
Furan
8%
B
Thiophene
16%
C
Pyridine
28%
D
Aniline
48%
E
Cyclopentadienyl anion
48%
Solution:
Only aniline is a benzenoid aromatic compound as only aniline has a benzene ring which satisfy the conditions of an aromatic compound, i.e.
(i) has planar structure (ring).
(ii) has $6 \pi$ -electrons.
(iii) all C-atoms belong to the ring resp $^{2}$ -hybridised.