Adipic acid on heating form (CPMT 2008) (a) (b) (c) (d) Ans. (a) Sol. Adipic acid is an organic compound with the chemical formula ( ) COOH CH COOH . Upon heating of adipic acid, decarboxylation takes place and we get a cyclic product. Here, we obtain cyclopentanone upon heating. The reaction is – Therefore, the correct answer is option (a)