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Explain addition of ammonia and their …

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Explain addition of ammonia and their derivatives to aldehyde and ketone compounds.

Posted by Sneha Kakadiya 4 years ago

CBSE > Class 12 > Chemistry

1 answers

Meghna Thapar 4 years ago

The reaction of aldehydes and ketones with ammonia or 1º-amines forms imine derivatives, also known as Schiff bases (compounds having a C=N function). Water is eliminated in the reaction, which is acid-catalyzed and reversible in the same sense as acetal formation. Two of the more important derivatives of ammonia are hydrazine and hydroxylamine. In strongly acidic medium ammonia derivatives being basic will react with acids and will not react with carbonyl compound. In basic medium, OH will attack carbonyl group. Hence pH of a reaction should be carefully controlled.

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