Which<br/>reactions is radical reaction() A: acetylene reacted with Cl2 B: Carbon<br/>tetrachloride is prepared from methane with light C: Isoprene<br/>synthesizes natural rubber D: Ethene<br/>reacted with HCl

Which<br/>reactions is radical reaction () A: Ethylene reacted with Cl2 B: Carbon<br/>tetrachloride is prepared from methane with light C: Isoprene<br/>synthesizes natural rubber D: Ethanol<br/>reacted with HCl