Polarography of Pentacyanocobaltate(III) Complexes

Details Polarography of Pentacyanocobaltate(III) Complexes Polarography of Pentacyanocobaltate(III) Complexes

Feb 1959

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1959natur.183..458m&link_type=abstract

Nature, Volume 183, Issue 4659, pp. 458-459 (1959).

Computer Science

1

Scientific paper

THE cobalt(III) complexes of pentacyano-type, [Co(CN)5X], including several kinds of the new complex compounds, K3[Co(CN)5Cl], K3[Co(CN)5SCN], K3[Co(CN)5N3].2H2O, K3[Co(CN)5NO2] and K4[Co(CN)5SO3].2H2O, have been studied polarographically. The pentacyano complexes were found to be divisible into two groups from the point of view of their polarographic behaviour. The ions of one group, [Co(CN5Cl]3-, [Co(CN)5Br]3-, [Co(CN)5I]3- and [Co(CN)5SCN]3-, were reduced irreversibly in two steps to cobalt(I) complexes, through the cobalt(II) state at the dropping mercury electrode in potassium halide supporting electrolyte (Table 1). The ratio of the height of the first wave to that of the second is approximately 1 : 1.

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