Chapter 11.8, Problem 9P

Draw the products formed when ${\text{CH}}_{\text{3}}{\text{CH}}_{\text{2}}\text{C}\equiv {\text{CCH}}_{\text{2}}{\text{CH}}_{\text{3}}$ is treated with each reagent (a) ${\text{Br}}_{\text{2}}$ (2 equiv); (b) ${\text{Cl}}_{\text{2}}$ (1 equiv).