What are X and Y in the following reactions? | vedclass

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(A) In an $S_N2$ reaction,the nucleophile attacks from the side opposite to the leaving group,resulting in a Walden inversion (inversion of configurat

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(A) In an $S_N2$ reaction,the nucleophile attacks from the side opposite to the leaving group,resulting in a Walden inversion (inversion of configuration). Thus,$X$ is the inverted alcohol.In the reaction of a primary alcohol with $Conc. \ HCl$,the reaction typically proceeds via an $S_N2$ mechanism (or $S_N1$ depending on the substrate,but here the primary alcohol structure is given). However,looking at the options and the standard transformation of a primary alcohol to a primary alkyl chloride,the reaction involves the substitution of $-OH$ by $-Cl$. Since the chiral center is not involved in the bond-breaking/forming step for the primary alcohol,the configuration at the chiral center remains unchanged. Thus,$Y$ is the product with retained configuration.

What are $X$ and $Y$ in the following reactions?

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