Which of the following compounds are aromatic?

Which of the following compounds are aromatic?

1. (i), (ii) and (iii)
2. (ii), (iii) and (iv)
3. (i), (iv) and (v)
4. (iii), (iv) and (v)

Solution

Aromatic compounds consists of conjugated planar ring system accompanied by delocalised $\pi$-electron clouds. Compounds which follow Huckel's rule or $(4 n+2) \pi$ rule are also known as aromatic compounds.
Hence, among all of these only (i),(iv) and (v) are aromatic in nature.

Asked in: AP EAMCET 2021 (25 Aug Shift 1)

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