Question

convert Ethyne to but-1-yen​

Answer 1

Ethyne can be converted to butene by addition reaction using a nickel catalyst.

Break the triple bond to make one double bond and put the bond to the longest chain. Satisfy the Valencies using hydrogen

Answer 2

Answer:

Conversion of Ethyne to But-1-yne:

HC≡ CH + NaNH2 −→−−−liq. NH3 HC≡CNa (sodium acetylide) −→−−−−CH3CH2Br HC≡C-CH2CH3 + NaBr