3.Acompound with molecular formula, C4H4S has all the fourcarbon atoms – InterviewSolution

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1.	3.Acompound with molecular formula, C4H4S has all the fourcarbon atoms and the sulphur atom in the ring. It also hastwo double bonds. The compound is(a) homocyclic and aromatic(b) heterocyclic and aromatic(c) homocyclic but not aromatic(d) heterocyclic but not aromatic.
Answer» Since there should be delocalised π-electrons, (b) is the correct answer

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