Question

What is 'Z' in the given sequence of reactions? \begin{center} \includegraphics[width=0.8\textwidth]{TSE 156.png} \end{center}

• A. \includegraphics[width=0.3\textwidth]{TSE 156 1.png}
• B. \includegraphics[width=0.3\textwidth]{TSE 156 2.png}
• C. \includegraphics[width=0.3\textwidth]{TSE 156 3.png}
• D. C\includegraphics[width=0.3\textwidth]{TSE 156 4.png} \vspace{0.5cm}

Hint:

Reduction of aromatic aldehydes with hydrogenation or the use of reagents like Zn-Hg can convert the aldehyde group into a methyl group.

Answer 1

The Correct Option is B

The given reaction involves oxidation with KMnO4, followed by hydrogenation, and finally, the reaction with Zn and Hg in the presence of conc. HCl. This sequence converts a benzaldehyde (CHO) group into a methyl group (CH3) through these reduction steps. \vspace{0.5cm}