Question

2-hexyne can be converted into trans 2-hexene by the action of:

• A. $H_{2}Pd$-$BaS{O}_4$
• B. $Li$ in liq. $N{H}_3$
• C. $H_{2}Pt{O}_2$
• D. $NaB{H}_4$

Answer 1

Answer: (B)

$Li$ in liq. $N{H}_3$

Alkyne when reacted with ammonical lithium it forms trans alkane.