Question
An organic compound (A) of molecular formula C6H6O gives violet colour with neutral ferric chloride. Compound (A) when heated with zinc dust gives a hydrocarbon (B). Also compound (A) reacts with phthalic anhydride and conc. H2SO4 to give compound (C) of molecular formula C20H14O4. Identify (A), (B) and (C). Explain the reactions.