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Consider the following reaction:
COCl
H2
Pd-BaSO4 → 'A'
The product 'A' is:
- C6H5CHO
- C6H5OH
- C6H5COCH3
- C6H5Cl
Correct answer: C6H5CHO
Solution
The reaction described is the Rosenmund reduction, where an acid chloride (COCl) is reduced to an aldehyde (C6H5CHO) using hydrogen gas in the presence of Pd-BaSO4 as a catalyst.
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