Which of the following haloalkanes is most reactive?

Options

A. 1-chloropropane
B. 1-chloropropane
C. 2-chloropropane
D. 2-bromopropane

Answer

D

Explanation

The alkyl halides are highly reactive, the order of reactivity is
Iodide `gt` bromide `gt` chloride `gt` (nature of the halogen atom).
Tertiary `gt` secondary `gt` primary.
Thus 2-bromopropane is the given option.