Identify A in the given reaction. | vedclass

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(B) The reaction involves the treatment of a polyfunctional compound with $SOCl_2$. $SOCl_2$ (thionyl chloride) is a reagent commonly used to convert

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(B) The reaction involves the treatment of a polyfunctional compound with $SOCl_2$. $SOCl_2$ (thionyl chloride) is a reagent commonly used to convert alcohols into alkyl chlorides. In the given substrate,there are three hydroxyl groups: $1$. $A$ phenolic $-OH$ group. $2$. $A$ secondary aliphatic $-OH$ group on the saturated ring. $3$. $A$ primary benzylic $-CH_2OH$ group. $SOCl_2$ reacts readily with aliphatic alcohols (both primary and secondary) to form alkyl chlorides. However,it does not typically convert phenolic $-OH$ groups into aryl chlorides under standard conditions. Therefore,both the secondary $-OH$ and the primary benzylic $-CH_2OH$ groups will be converted into $-Cl$ and $-CH_2Cl$ respectively. The resulting major product $A$ will have a phenolic $-OH$ group intact,a secondary $-Cl$ group,and a $-CH_2Cl$ group. This corresponds to the structure shown in option $B$.

Column-$I$ (Reagents)	Column-$II$ (Products)
$A$. $HCl + ZnCl_2$	$i$. $CH_3CH=CHCH_3$
$B$. $HBr$	$ii$. $CH_3CH_2CH_2CH_2Cl$
$C$. $SOCl_2$	$iii$. $CH_3CH_2CH_2CH_2Br$
$D$. $H_2SO_4, \Delta$	$iv$. $CH_3CH_2CH_2CH_2Cl$

Identify $A$ in the given reaction.

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