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Byju's Answer
Standard XII
Chemistry
Huckel's Rule of Aromaticity
Which of the ...
Question
Which of the above is aromatic ?
A
i
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B
ii
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C
iii
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D
iv
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E
v
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Solution
The correct option is
A
i
Condition Need for Aromatic :
(i) Conjugation of lone or double bond.
(ii)
(
4
n
+
2
)
electron pair, Huckel's RUle ofr
n
=
1
, electron ,so on.
(iii) planer molecular.
Then,
Option
A
is satisfied all condition.
Explain :
Option(ii) isn't in conjugation.
Option (iii) Molecular have
8
e
−
in conjugation which not follow Huckel's Rule.
Option (iv) also not follow Huckel's Rule.
Hence the correct option is A.
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Standard XII Chemistry
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