Choose the best explanation for the proposed curved arrow mechanism for an electrophilic addition reaction of butadiene with HBr. :Br:Choose the best explanation for the proposed curved arrow mechanism for anelectrophilic addition reaction of butadiene with HBr.HBr:A) The terminal carbon of the butadiene movestoward the HBr to form a bond with the proton.At the same time, the bromine atom movesaway. The result of this atomic movement is acarbocation and a bromide anion.B) The electronegative bromine draws theelectrons of the H-Br bond toward it, resulting ina fully ionized proton and bromide ion. Theproton is donated to the butadiene, resulting ina cation on the secondary position.C) HBr donates a proton to the conjugated pibond of butadiene, leading to formation of adelocalized carbocation. Donation of the protonleaves behind a bromide ion.D) Electrons are attracted from the pi bond tothe acidic hydrogen of the electrophile, leadingto formation of a carbocation. The electrons ofthe H-Br bond become a lone pair on thebromide ion.

Ciured arrow mechanism is used to illustrate the flow of electrons. In the given question it has…

Answered: Choose the best explanation for the…

Choose the best explanation for the proposed curved arrow mechanism for an electrophilic addition reaction of butadiene with HBr.

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter8: Addition Via Carbocation

Section: Chapter Questions

Problem 9E

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