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Catalytic hydrogenation of _______ gives propan-2-ol.

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Catalytic hydrogenation of _______ gives propan-2-ol.

(a) formaldehyde

(b) acetaldehyde

(c) propionaldehyde

(d) acetone

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Enquiry is from Aldehydes and Ketones Chemical Reactions topic in portion Aldehydes, Ketones and Carboxylic Acids of Chemistry – Class 12

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The correct option is (d) acetone

Explanation: Reduction of acetone in the presence of catalysts like Ni, Pt or Pd converts it into propan-2-ol, which is a secondary alcohol. It can also be reduced by the reaction with LiAlH4 or NaBH4. Aldehydes on similar reaction give primary alcohols.

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