The dry distillation of the calcium salt of Adipic acid (Hexanedioic acid) forces an intramolecular ring closure, yielding a cyclic ketone and eliminating calcium carbonate. How many carbon atoms cons

Question

The dry distillation of the calcium salt of Adipic acid (Hexanedioic acid) forces an intramolecular ring closure, yielding a cyclic ketone and eliminating calcium carbonate. How many carbon atoms constitute the main ring of the resulting cyclic ketone?

Prashant Kotian · Accepted Answer

Correct answer: 5. Adipic acid () is a 6-carbon dicarboxylic acid. When its calcium salt undergoes dry distillation, one carbon is lost as part of the leaving group. The remaining 5 carbons form a stable 5-membered cyclic ketone known as Cyclopentanone.

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