Chemistry - Hydrocarbon Question with Solution | TestHub

In the following sequence of reactions, the product D is

$\text{C}\text{H}\equiv \text{C}\text{H}\stackrel{\text{H}\text{B}\text{r}}{\to }\text{A}\stackrel{\text{H}\text{B}\text{r}}{\to }\text{B}\stackrel{\text{a}\text{l}\text{c}\text{K}\text{O}\text{H}}{\to }\text{C}\stackrel{\text{N}\text{a}\text{N}{\text{H}}_2}{\to }\text{D}$