The major products A and B for the following | vedclass

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(B) $1$. In the first step,the reaction of $2-(2-iodoethyl)cyclohexanone$ with $KCN$ in $DMSO$ proceeds via an $S_N2$ mechanism. The $CN^-$ nucleophil

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Product $A$ is a substituted cyclohexanone with a cyano group and $B$ is a substituted cyclohexanol with an amine group.

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(B) $1$. In the first step,the reaction of $2-(2-iodoethyl)cyclohexanone$ with $KCN$ in $DMSO$ proceeds via an $S_N2$ mechanism. The $CN^-$ nucleophile replaces the iodide ion,resulting in $2-(2-cyanoethyl)cyclohexanone$ as product $A$.$2$. In the second step,the catalytic hydrogenation of product $A$ using $H_2/Pd$ reduces both the ketone group to a secondary alcohol and the nitrile group to a primary amine. Thus,product $B$ is $2-(3-aminopropyl)cyclohexanol$.

Column-$I$ (Reactions)	Column-$II$ (Reagents)
$(A).$ Benzophenone $\to$ Diphenylmethane	$(1).$ $LiAlH_4$
$(B).$ Benzaldehyde $\to$ $1-$Phenylethanol	$(2).$ $DiBAL-H$
$(C).$ Cyclohexanone $\to$ Cyclohexanol	$(3).$ $Zn(Hg) / \text{Conc. } HCl$
$(D).$ Phenyl benzoate $\to$ Benzaldehyde	$(4).$ $CH_3MgBr$

The major products $A$ and $B$ for the following reactions are,respectively:

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