Q.
A carbonyl compound $P$, which gives positive iodoform test, undergoes reaction with $MeMgBr$ followed by dehydration to give an olefin $Q$. Ozonolysis of $Q$ leads to a dicarbonyl compound $R$, which undergoes intramolecular aldol reaction to give predominantly $S$.
The structure of the carbonyl compound $P$, is
Aldehydes Ketones and Carboxylic Acids
Solution:
Correct answer is (b)
