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Chemistry Question on Hydrocarbons

Rosenmund reductionThis reduction reaction is known as:

A

Etard Reaction

B

Stephen's Reaction

C

Wolff Kishner Reduction

D

Rosenmund reduction

Answer

Rosenmund reduction

Explanation

Solution

Step 1. Identify the Reaction Components: The reaction involves the reduction of an acid chloride to an aldehyde using H2 gas in the presence of palladium on barium sulphate (Pd-BaSO4).

Step 2. Characteristics of Rosenmund Reduction: This specific reduction, where an acid chloride is reduced to an aldehyde, is known as the Rosenmund reduction. In this process, the use of Pd-BaSO4 prevents further reduction of the aldehyde to an alcohol.

Step 3. Conclude with the Recognized Reaction: Thus, the partial reduction of the acid chloride to an aldehyde in this reaction confirms it as a Rosenmund reduction.