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Explain Hoffmann bromamide degradation f...

Explain Hoffmann bromamide degradation for the preparation of methanamine.

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When acetamide reacts with bromine and potassium hydroxide at 343 K, methanamine is formed
`underset("Acetamide")(CH_(3)-CO-NH_(2))+4KOH +Br_(2) to underset("Metanamine")(CH_(3)-NH_(2)+K_(2)CO_(3))+2KBr +2H_(2)O`
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