(Solved): What reaction would produce 2-bromobutane as the major product? \[ \mathrm{CH}_{3} \mathrm{CH}=\mat ...

What reaction would produce 2-bromobutane as the major product? \[ \mathrm{CH}_{3} \mathrm{CH}=\mathrm{CHCH}_{3}+\mathrm{HBr} \] \( \mathrm{CH}_{3} \mathrm{C} \equiv \mathrm{CCH}_{3}+\mathrm{HBr} \) \[ \mathrm{CH}_{2}=\mathrm{CHCH}_{2} \mathrm{CH}_{3}+\mathrm{Br}_{2} \] \[ \mathrm{CH}_{3} \mathrm{CH}=\mathrm{CHCH}_{3}+\mathrm{Br}_{2} \] \[ \begin{array}{l} \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{3}+\mathrm{HBr} \\ \mathrm{CH}_{2}=\mathrm{CHCH}_{2} \mathrm{CH}_{3}+\mathrm{HBr} / \mathrm{ROOR} \end{array} \]