A chemist observed a colour change after adding bromine water, Br2(aq), to an
unknown hydrocarbon.
Which one of the following substances could she have produced in this reaction?
(A) pentane
(B) 2-pentene
(C) 2,3-dibromopentane
(D) 1,3-dibromopentane
Answers say (c). Why? I would think only...