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The given reaction is:...

The given reaction is:

A

Mendius reaction

B

Stephen's reaction

C

Rosenmund's reduction

D

Cannizzaro's reaction

Text Solution

Verified by Experts

The correct Answer is:
C
The preparation of aldehyde by the hydrogenation of acyl chlorides in the presence of catalyst- palladium on barium sulphate, is known as Rosenmund.s reduction. This is a reduction process as hydrogen is being added and acyl chloride is a derivative of carboxylic acid. Barium sulphate is used to poison palladium, i.e. to decrease its activity, in order to avoid over-reduction of acyl chloride.
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    `CH_(3)-overset(O)overset(||)(C)-CH_(2)-COOH`

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