Question

2-Butyne can be prepared from which of the following compounds?

• A.
• B.
• C. $$\begin{gathered} {\text{CH}}_{\text{2}}-{\text{CH}}_{\text{2}}-{\text{CH}}_{\text{2}}-{\text{CH}}_{\text{2}} \\ \text{|}\text{|} \\ \text{Cl}\text{Cl} \end{gathered}$$
• D. Both A and B

Answer 1

Answer: (D)