The major product of the following reaction is:

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The preferred reagent for the following conversion is $CH_3CH_2COOH \rightarrow CH_3CH_2COCl$.

Consider the following sequence of reactions:
$2\text{-benzylbenzoic acid}$ $\xrightarrow{SOCl_2} A$ $\xrightarrow[2. H_3O^+]{1. AlCl_3} B$ $\xrightarrow{Zn-Hg, \text{conc. } HCl, \text{heat}} C$
The end product $(C)$ is:

$CH_3CO_2C_2H_5$ on reaction with sodium ethoxide in ethanol gives $A$,which on heating in the presence of acid gives $B$. Compound $B$ is

$G$ in the above sequence of reactions is