QuestionStarting from 1-hexene, what is the product of the following reactions?
1. $\mathrm{Br}_{2}, \mathrm{CCl}_{4}$ 2.xs $\mathrm{NaNH}_{2}$, then $\mathrm{H}_{2} \mathrm{O}$ 3. NaH 4 . $\mathrm{BrCH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{3}$ 2-heptyne 1-hexyne 4-nonyne 3-nonyne 2-bromo-2-hexane