Which alkyl halide(s)would give the following alkene as the only product in an elimination reaction?

Question

Quizplus · Accepted Answer

The given alkene is formed by the elimination of a hydrogen halide from a tertiary alkyl halide. Only II is a tertiary alkyl halide, while I and III are primary and secondary alkyl halides respectively, thus they would undergo a mixture of elimination and substitution reactions. Therefore, the best choice is B which is the only tertiary alkyl halide.

Which Alkyl Halide(s)would Give the Following Alkene as the Only