Consider the following reaction The product ' $A$ ' is

Consider the following reaction The product ' $A$ ' is
  1. $\mathrm{C}_6 \mathrm{H}_5 \mathrm{CHO}$
  2. $\mathrm{C}_6 \mathrm{H}_5 \mathrm{OH}$
  3. $\mathrm{C}_6 \mathrm{H}_5 \mathrm{COCH}_3$
  4. $\mathrm{C}_6 \mathrm{H}_5 \mathrm{Cl}$

Solution

In Rosenmund reaction, acid chloride reacts with $\mathrm{H}_2$ in the presence of $\mathrm{Pd} / \mathrm{BaSO}_4$ to yield aldehyde.

Asked in: NEET 2012 (Mains)

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