Initiation: Na+ Hc=CH electron transfer CH,CH Na+ radical couple Na CH-CH:CH-CH Nat dimerize Solubility: soluble in polar solvents only such as: ether)- Na H2 C CH + [ ] . Initiation: + - electron transfer . CH2 CH Na + + - Na - Na + CH CH2 CH2 CH + dimerize radical couple soluble in polar solvents only ( such as: ether) Solubility: