CH3 - CH2 - C ≡ CCu (HBr) ------- ??

Question

CH3 - CH2 - C ≡ CCu (HBr) ------- ??

Answer 1

CH₃-CH₂-C≡CCu + HBr  ⇒ CH₃-CH₂-C≡CH + CuBr
1-бутинид меди (I)               1-бутин

Answer 2

 CH3 - CH2 - C ≡ CCu + HBr ----->  CH3 - CH2 - C ≡ CH + Cu Br