Question:

The reaction of
 Reaction with bromine and KOH
with bromine and \(KOH\) gives \(RNH_2\) as the end product. Which one of the following is the intermediate product formed in this reaction?

Updated On: Sep 24, 2024
  • Reaction with bromine and KOH
  • \(R-NH-Br\)
  • \(R-N=C=O\)
  • Reaction with bromine and KOH
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The Correct Option is C

Solution and Explanation

Reaction mechanism with product isocyanate
So, the correct option is (C): \(R – N = C = O\)

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Concepts Used:

Hydrocarbons - Reaction Mechanism

Hydrocarbons are organic compounds that are entirely made up of only two kinds of atoms – carbon and hydrogen. Typically, hydrocarbons are colourless gases that have very weak odours.

Mechanism of electrophilic substitution reactions:

According to experimental evidences, SE (S = substitution; E = electrophilic) reactions are supposed to proceed via the following three steps:

  1. Generation of the electrophile
  2. Formation of carbocation intermediate
  3. Removal of proton from the carbocation interm