Q31 / 180 · AIIMS 2008 · Chemistry

Which of the following is aromatic?

  • A
    Figure
  • B
    Figure
  • Correct answer
    C
    Figure
  • D
    Figure

Solution

It follows Huckel's rule of $(4 n+2) \pi$ electrons. If we keep $n=0$ the total number of $\pi$ electrons will be 2 . So, $\circledast$ follows the aromaticity rule whereas options (a), (b), (d) have $4 \pi$ electrons.

Hence, the correct answer is option: 'C'.

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