Previous attempts at electrolysis of the aqueous salt were unsuccessful due to potassium's extreme reactivity.
pɹˈiːviəs ɐtˈɛmpts æɾ ᵻlɛktɹˈɑːləsˌɪs ʌvðɪ ˈeɪkwɪəs sˈɔlt wɜːɹ ʌnsəksˈɛsfəl dˈuː tə pətˈæsiəmz ɛkstɹˈiːm ɹɪɐktˈɪvᵻɾi.