Paragraph: Treatment of benzene with CO / HCl in the presence of anhydrous AlCl 3 / CuCl followed by…

Paragraph: Treatment of benzene with CO/HCl in the presence of anhydrous AlCl3/CuCl followed by reaction with Ac2O/NaOAc gives compound X as the major product. Compound X upon reaction with Br2/Na2CO3 , followed by heating at 473 K with moist KOH furnishes Y as the major product. Reaction of X with H2/Pd-C , followed by H3PO4 treatment gives Z as the major product

Question : The compound Y is

Asked in: JEE Advanced 2018 (Paper 1)

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