Question

The reagent that is used to convert but-2-yne to transbut-2-ene is

• A. $H_2/Pd/C$
• B. $NaB{H}_4$
• C. $Sn/HCl$
• D. $Na/$ /iquid $N{H}_3$
• E. $Zn-Hg/HCl$

Answer 1

Answer: (D)

When but-2-yne is treated with $Na$ / liquid $N{H}_3$, addition of two $H$-atoms takes place at the triple bonded carbon atoms in trans-form is