Abstract
IN a series of investigations it was shown1 that the excited states of negative ions in aqueous solution may dissociate thermally to yield a solvated electron. Thus in the case of the halide ions1 (chloride, bromide and iodide), the hydroxyl ion1, thiocyanate2 and thiosulphate3 the reactions of solvated electrons could be investigated. The application of flash photolysis techniques2 permitted the detection of the absorption spectrum of the solvated electron in such systems, including solutions of ferro-cyanide. In the case of organic solutes in aqueous solution (phenolate and (β-naphtholate4), the formation of solvated electrons was shown to occur from an excited state resulting from an internal transition not involving charge transfer to the solvent, as was the case with other ions.
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References
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SHIROM, M., STEIN, G. Phosphate-mediated Dehydrogenation of Alcohol in the Photochemistry of Ferrocyanide in Aqueous Solution. Nature 204, 778–779 (1964). https://doi.org/10.1038/204778a0
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DOI: https://doi.org/10.1038/204778a0
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