What is the expected product,A,of the following reaction sequence? A)HCO₂CH₂C₆H₅ B)C₆H₅CH₂COOH C)C₆H₅CH₂OSO₃H D)C₆H₅CHClCOOH E)O=C(CH₂C₆H₅)₂

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The starting material is likely a carboxylic acid since it reacts with thionyl chloride (SOCl2) to form an acid chloride. The acid chloride can then react with a Grignard reagent (RMgX) to form a tertiary alcohol. Hydrolysis of the tertiary alcohol with acid would yield the corresponding carboxylic acid, which in this case is likely a 3-methylbutanoic acid based on the substituents present. The expected product after all these reactions would be 3-methylbutanoic acid (CHOOC(CH3)2CH2)

What Is the Expected Product,A,of the Following Reaction Sequence