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Question: Answered & Verified by Expert
Assertion : When acetamide reacts with $\mathrm{NaOH}$ and $\mathrm{Br}_2$, methyl amine is formed.
Reason : The reaction occurs through intermediate formation of isocyanate.
ChemistryAminesAIIMSAIIMS 2016
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion.
  • B If both assertion and reason are true but reason is not the correct explanation of assertion.
  • C If assertion is true but reason is false.
  • D If both assertion and reason are false.
Solution:
1367 Upvotes Verified Answer
The correct answer is: If both assertion and reason are true and reason is the correct explanation of assertion.
$\mathrm{CH}_3 \mathrm{CONH}_2+\mathrm{Br}_2+4 \mathrm{NaOH} \rightarrow \mathrm{CH}_3 \mathrm{NH}_2$
$+\mathrm{Na}_2 \mathrm{CO}_3+2 \mathrm{NaBr}+2 \mathrm{H}_2 \mathrm{O}$
The reaction occurs through intermediate formation of alkyl isocyanate which on hydrolysis gives methylamine and sodium carbonate.

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