Identify Z in the following sequence of react | vedclass

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(D) The reaction sequence is as follows:$1$. The starting material is $4$-amino-$3$-bromoethylbenzene. Treatment with $NaNO_2/HCl$ at $273-278 \ K$ pe

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$2-$bromobenzoic acid

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(D) The reaction sequence is as follows:$1$. The starting material is $4$-amino-$3$-bromoethylbenzene. Treatment with $NaNO_2/HCl$ at $273-278 \ K$ performs diazotization of the $-NH_2$ group to form the diazonium salt,$X$ ($4$-ethyl-$2$-bromobenzenediazonium chloride).$2$. Reaction of $X$ with ethanol $(C_2H_5OH)$ reduces the diazonium group to a hydrogen atom,yielding $Y$ ($1$-bromo-$2$-ethylbenzene).$3$. Finally,oxidation of the ethyl group with alkaline $KMnO_4$ converts the benzylic carbon into a carboxylic acid group,resulting in $Z$ ($2$-bromobenzoic acid).Thus,the correct structure for $Z$ is $2$-bromobenzoic acid,which corresponds to option $(D)$.

Identify $Z$ in the following sequence of reactions.

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