JEE Main Chemistry question

Which of the following carbonyl compounds on condensation gives an aromatic compound?

(A)CH₃CHO
(B)(CH₃)₂COCorrect
(C)HCHO
(D)CH₃CH₂CHO

Answer: (B)

Solution

Under acid catalysis (concentrated H₂SO₄), three molecules of acetone undergo repeated aldol condensation and cyclodehydration to give the aromatic compound

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Question ID VK-149418