Which of the following is not aromatic?

  • A
    Benzene
  • B
    Naphthalene
  • C
    Pyridine
  • D
    $1,3,5$-Heptatriene

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Similar Questions

Which of the following are not aromatic?

The electrophile in the nitration of benzene is

The major product formed in the following reaction sequence is:
$C_6H_5-CHBr-CH_2Br$ $\xrightarrow[(ii) NaNH_2]{(i) alc. KOH}$ $\xrightarrow[(iii) \text{Red hot iron tube}, 873 K]{}$

Deduce the structure of $(A)$.
$(A) \ C_{8}H_{10}$ $\xrightarrow{KMnO_{4}} (B) \ C_{8}H_{6}O_{4}$ $\xrightarrow[Fe]{Br_{2}} C_{8}H_{5}BrO_{4} (C)$ (one-product only)

Cyclooctatetraene is expected to have

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