The oxidations and reductions of 27 singly arsenic bridged dinuclear metal carbonyl complexes were investigated. There are indications that the complexes as a whole are involved in the redox process. However, the expected one and two electron oxidations with concomitant formation of metal-metal bonds were not observed. Electrochemical electron transfers were irreversible. Chemical oxidation and reduction of a selected example resulted in a series of products originating from the primary fission of one metal-arsenic bond.
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