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Question: Answered & Verified by Expert
Neopentyl bromide, undergoes dehydrohalogenation to give alkenes even though it has no βH . This is due to
ChemistryHaloalkanes and HaloarenesJEE Main
Options:
  • A E 2 mechanism
  • B Rearrangement of carbocations by E 1 mechanism
  • C E 1 cB mechanism
  • D E 4 mechanism
Solution:
2010 Upvotes Verified Answer
The correct answer is: Rearrangement of carbocations by E 1 mechanism

Neopentyl bromide give a carbocation as intermediate which undergo for rearrangement and show E 1 mechanism (even though it has no βH atom).

Thus Rearrangement of carbocations by E 1 mechanism is the correct option.

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