In the given reaction sequence,(X) and (Y) ar | vedclass

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(D) The reaction of the alcohol $(X)$ with $SOCl_2$ in the presence of pyridine proceeds via an $S_N2$ mechanism,resulting in an inversion of configur

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Identical compounds

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(D) The reaction of the alcohol $(X)$ with $SOCl_2$ in the presence of pyridine proceeds via an $S_N2$ mechanism,resulting in an inversion of configuration at the chiral center to form an alkyl chloride.Subsequently,the reaction of this alkyl chloride with $NaOH$ in $DMSO$ (a polar aprotic solvent) also proceeds via an $S_N2$ mechanism,causing a second inversion of configuration.Since two successive inversions occur,the final product $(Y)$ has the same configuration as the starting material $(X)$.Therefore,$(X)$ and $(Y)$ are identical compounds.

	$S_{N}1$	$S_{N}2$
$(a)$	Retention of configuration	Inversion of configuration
$(b)$	Racemisation	Inversion of configuration
$(c)$	Inversion of configuration	Retention of configuration
$(d)$	Racemisation	Retention of configuration

In the given reaction sequence,$(X)$ and $(Y)$ are:

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