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What is the catalyst used in the hydrogenation of acetyl chloride to produce ethanal?

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in Chemistry – Class 12 by (188k points)
What is the catalyst used in the hydrogenation of acetyl chloride to produce ethanal?

(a) Pt over BaSO4

(b) Pt over CuSO4

(c) Pd over BaSO4

(d) Pd over CuSO4

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This interesting question is from Preparation of Aldehydes and Ketones topic in portion Aldehydes, Ketones and Carboxylic Acids of Chemistry – Class 12

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The correct choice is (c) Pd over BaSO4

Best explanation: Acyl chlorides are hydrogenated in the presence of catalyst palladium over barium sulphate. This is known as Rosenmund reaction.

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