What is the product for the following three-step reaction sequence?
A)I
B)II
C)III
D)IV

Question

What is the product for the following three-step reaction sequence? 
A)I 
B)II 
C)III 
D)IV

Quizplus · Accepted Answer

The final product in the three-step reaction sequence is III. In the first step, Br2 and sunlight are used to break the C-Cl bond in compound I and form a radical intermediate. In the second step, the radical intermediate reacts with HBr to form compound II. Finally, in the third step, compound II is heated to form the alkene III. Therefore, the correct answer is III.

What Is the Product for the Following Three-Step Reaction Sequence