Question

Jestion 14 tot yet answered Which of the following structures will react fastest in uni-molecular elimination reaction? oints out of 1.00 P Flag question Select one a. Ethyl bromide b. tert Butyl bromide C2-bromopropane d. Methyl bromide ne. None of the choices

Answer 1

The correct answer is

b.tert butyl bromide

because after leaving group Bromo there will be formation of stable carbocation. And react faster

E1 indicates a elimination,unimolecular reaction, where rate = k [R-LG]. In an E1 reaction, the rate determining step is the loss of the leaving group to form the intermediate carbocation. The more stable the carbocation is, the easier it is to form, and the faster the E1 reaction will be.