Assertion :In Hoffmann bromide reaction, the amine formed has one carbon atom less than the parent 1o amide. Because Reason: N−methyl acetamide undergoes Hoffmann bromamide reaction.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Assertion is incorrect but Reason is correct
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Solution
The correct option is C Assertion is correct but Reason is incorrect The Hofmann rearrangement is the organic reaction of a primary amide to a primary amine with one fewer carbon atoms.The reaction of bromine with sodium hydroxide forms sodium hypobromite in situ, which transforms the primary amide into an intermediate isocyanate via a formation of a nitrene. The intermediate isocyanate is hydrolyzed to a primary amine, giving off carbon dioxide.