2PuF4 + F2 + 3RbF
Rb2[PuF7] + Rb[PuF6]
Plutonium(IV), fluoride react with fluorine and rubidium fluoride to produce rubidium heptafluoroplutonate(V) and rubidium hexafluoroplutonate(V). This reaction takes place at a temperature of 300-400°C.