Identify compound (A) in the following reaction :

Question

Canvas Classes · Accepted Answer

🧠 The "Aha!" Moment
This is a classic organic name reaction. You see an acid chloride being converted into an aldehyde using hydrogen and a poisoned catalyst (). If you recognize the reagents, you instantly know this is the Rosenmund Reduction.

🗺️ The Structural Proof
1. The Substrate: Benzoyl chloride () is the specific starting material required to produce benzaldehyde through this method.
2. The Reagents:  gas in the presence of Palladium (catalyst) and Barium Sulphate (the "poison" or reg

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