Observe the following set of reactions
What are $\text{X}, \text{Y}$ and $\text{Z}$ respectively?
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The Rosenmund reduction ($\text{H}_2/\text{Pd}-\text{BaSO}_4$) is a name reaction for the partial reduction of acyl chlorides to aldehydes. Organometallic reagents like $\text{R}_2\text{Cd}$ are best for ketone synthesis. Aldol condensation of aromatic aldehydes with base (like $\text{C}_6\text{H}_5\text{CHO}$) is typically a Cannizzaro reaction, unless a strong nucleophile is added.
$\text{H}_2/\text{Pd}; (\text{CH}_3)_2\text{Cd}; \text{C}_6\text{H}_5\text{CH}=\text{CH}-\text{C}_6\text{H}_5$ (This is wrong $\text{C}_6\text{H}_5\text{CH}=\text{CH}-\text{C}_6\text{H}_5$ is stilbene)
