Nitrogen Containing CompoundHard
Question
Acetamide is treated with the following reagents separately. Which one of these would yield methyl amine?
Options
A.NaOH + Br2
B.Sodalime
C.Hot conc H2SO4
D.PCl5
Solution
The reagent which can convert - CONH2 group to - NH2 group, thus it is used for converting acetamide to methyl amine. This reaction is called Hofmann broamide reaction. Among the group reagents only - NaOH/Br2 converts - CONH2 group to - NH2 group, thus it is used for converting acetamide to methyl amine. This reaction is called Hofmann bromamide reaction
CH3CONH2 + NaOH + Br2 → CH3NH2 + NaBr + Na2CO3 + H2O
acetamide methyl amine
CH3CONH2 + NaOH + Br2 → CH3NH2 + NaBr + Na2CO3 + H2O
acetamide methyl amine
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