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#aldehyde chemistry

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Which aldehyde forms a racemic mixture when treated with NH₂OH?

Butanal (CH₃CH₂CH₂CHO) reacts with NH₂OH to form an oxime (CH₃CH₂CH₂CH\=NOH), but the carbonyl carbon becomes chiral in the intermediate, yielding a racemic mixture.

Ref: NCERT Class 12 Chemistry > Chapter 12: Aldehydes, Ketones and Carboxylic Acids > Topic: Reactions due to α-Hydrogen - Aldol, Cannizzaro and Acidity of Carboxylic Acids