I gimnazjum

II gimnazjum

a)&nbsp; 1)&nbsp; C2​H2​+Cl2​→C2​H2​Cl2​ &nbsp; 2)&nbsp; C2​H2​Cl2​+Cl2​→C2​H2​Cl4​

a) but-1-ynCH≡C−CH2​−CH3​​ + H−Br→ 2-bromobut-1-enCH2​=CBr−CH2​−CH3​​

1)&nbsp; C2​H4​+H2​→C2​H6​