JEE Main 2022ChemistryAminesHardMCQ

JEE Main 2022Amines Question with Solution

JEE Main 2022 (25 Jun Shift 1)

Question

The reaction of  with bromine and KOH gives RNH2 as the end product. Which one of the following is the intermediate product formed in this reaction?

Choose an option

Show full solutionCorrect option: C
Correct answer
CR-N=C=O

Step-by-step explanation

The given reaction follows Hoffman bromamide degradation mechanism for the preparation of primary amines. In this reaction alkyl or aryl isocynate is formed as an intermediate. The formation of intermediate is shown below.

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About this question

This is a previous-year question from JEE Main 2022, covering the Amines chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.