An aromatic carboxylic acid [A], which readily sublimes on heating, produces compound [B] on treatment with PCl5, Compound [B], when reduced in the presence of Pd catalyst over BaSO4 poisoned by sulphur in xylene solution, gives compound [C]. When compound [C] is condensed in the presence of alcoholic KCN, it gives compound [D] (Molecular formula of compound [D] is C14H12O2) Identify the compounds [A], [B], [C] and [D].

हिंदी

An aromatic carboxylic acid [A], which readily sublimes on heating, produces compound [B] on treatment with PCl5, Compound B, when reduced in the presence of Pd catalyst - Chemistry (Theory)

प्रश्न

An aromatic carboxylic acid [A], which readily sublimes on heating, produces compound [B] on treatment with PCl₅, Compound [B], when reduced in the presence of Pd catalyst over BaSO₄ poisoned by sulphur in xylene solution, gives compound [C]. When compound [C] is condensed in the presence of alcoholic KCN, it gives compound [D] (Molecular formula of compound [D] is C₁₄H₁₂O₂)

Identify the compounds [A], [B], [C] and [D].

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