CH_3–CH_2–CH_2–CH_3 [ HBr ] AlCl _3 Product. The product of this reaction is predominantly

JEE Main Chemistry question

CH–CH–CH–CH Product. The product of this reaction is predominantly

(A)2-Bromobutane
(B)*tert*-Butyl bromide (2-bromo-2-methylpropane)Correct
(C)1,2-Dibromobutane
(D)All of these

Answer: (B)

Solution

AlCl/HBr is a classic skeletal-isomerisation catalyst system: HBr protonates/abstracts a hydride to generate a carbocation on the butane skeleton, and AlCl promotes rearrangement (via a

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Question ID VK-142456