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  4. Neopentyl bromide, undergoes dehydrohalogenation to give alkenes even though it has no textβ - textH . This is due to

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Q. Neopentyl bromide, undergoes dehydrohalogenation to give alkenes even though it has no $\text{β} - \text{H}$ . This is due to

NTA AbhyasNTA Abhyas 2020Haloalkanes and Haloarenes

Solution:

Solution

Neopentyl bromide give a carbocation as intermediate which undergo for rearrangement and show $\text{E}_{\text{1}}$ mechanism (even though it has no $\text{β} - \text{H}$ atom).

Thus Rearrangement of carbocations by $\text{E}_{\text{1}}$ mechanism is the correct option.