Identify A in the following reaction.A text{ | vedclass

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(B) The reaction is a Friedel-Crafts acylation of $A$ with acetyl chloride in the presence of anhydrous $AlCl_3$.The products formed are $1-	ext{chlo

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Chlorobenzene

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(B) The reaction is a Friedel-Crafts acylation of $A$ with acetyl chloride in the presence of anhydrous $AlCl_3$.The products formed are $1-	ext{chloroacetophenone}$ (ortho-substituted) and $4-	ext{chloroacetophenone}$ (para-substituted).Since the products contain a chlorine atom attached to the benzene ring,the starting material $A$ must be $Chlorobenzene$.Chlorobenzene is an ortho/para directing group due to the $+M$ effect of the chlorine atom,which explains the formation of the observed products.

Identify $A$ in the following reaction.
$A \text{ (excess)} + \text{Acetyl chloride (excess)}$ $\xrightarrow[AlCl_3]{\text{Anhydrous}} 1-\text{Chloroacetophenone} + 4-\text{Chloroacetophenone}$

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Identify $A$ in the following reaction.$A \text{ (excess)} + \text{Acetyl chloride (excess)}$ $\xrightarrow[AlCl_3]{\text{Anhydrous}} 1-\text{Chloroacetophenone} + 4-\text{Chloroacetophenone}$