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Question: Answered & Verified by Expert
$$
\text { Among the following the aromatic compound is }
$$
ChemistryGeneral Organic ChemistryAIIMSAIIMS 2004
Options:
  • A
  • B
  • C
  • D
Solution:
2094 Upvotes Verified Answer
The correct answer is:
(a)

$4 n+2=2, n=0$ (integer)
(b)

$4 n+2=4, n=0.5$
(c)

$; n+2=4, n=0.5$
(d)

$; 4 n+2=4, n=0.5$
$$
\text { Only (a) obeys Huckel's rule. }
$$

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