Question Detail

CHM 102 Practice Questions Objective Question

Question

What compound results from the 1,4-addition of one equivalent of HBr to 1,3-butadiene?
Options
A 1-bromo-1-butene
B 2-bromo-2-butene
C 4-bromo-1-butene
D 1-bromo-2-butene
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

1,4-Addition of HBr to 1,3-butadiene gives 1-bromo-2-butene (BrCH2-CH=CH-CH3). The H adds to C1 and Br adds to C4, with the double bond shifting to C2-C3.

Hint

What is the 1,4-addition product of HBr to butadiene?

Question Info