Question
Compound $A$ was prepared by oxidation of compound $B$ with alkaline $KMnO_{4-}.$ Compound $A$ on reduction with lithium aluminium hydride gets converted back to compound $B.$ When compound A is heated with compound $B$ in the presence of $H_2SO_4$ it produces fruity smell of compound $C$ to which family the compounds $A, B$ and $C$ belong to?
