AP EAPCET 04-Jul-2022 Shift 1 Paper

Styrene reacts with HBr in presence of peroxide to add Br at less substituted carbon. This reaction follows anti-Markownikoff rule.Product (X) reacts with mathrm‌Mg in dry ether to form Grignard reagent which on treatment with mathrm‌CO2 followed by hydrolysis gives carboxylic acid. Y on treatment with PCl5 form acyl chloride. This acyl chloride on reduction with H2; Pd−BaSO4 gives aldehyde and this reaction is known as "Rosenmund reaction."Here, Z is