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Explain Hoffmann bromamide degradation r...

Explain Hoffmann bromamide degradation reaction.

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Amides on reaction with bromine in an aqueous sodium hydroxide. Primary amine is obtained.
`R-CO-NH_(2)+Br_(2)+4NaOHtoR-NH_(2)+2NaBr+2H_(2)O+Na_(2)CO_(3)`
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