Polarography of O-alkylxanthates in acetone: Evidence for existence of tris(o-alkylxanthato) mercury(II) complexes

A. M. Bond; A. T. Casey; J. R. Thackeray

doi:10.1016/S0022-0728(73)80296-7

Polarography of O-alkylxanthates in acetone: Evidence for existence of tris(o-alkylxanthato) mercury(II) complexes

A. M. Bond, A. T. Casey, J. R. Thackeray

Research output: Contribution to journal › Article › Research › peer-review

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Abstract

Polarographic investigation of a series of potassium O-alkylxanthates in acetone has shown that they undergo the following processes at a mercury electrode. 2Hg⁰+6ROCS₂2Hg(S₂COR)₃^-+4e. 2Hg^II(S₂COR)₃^-+Hg⁰2Hg^II(S₂COR)₂+2e (where R is an alkyl group). Analysis of the two waves corresponding to these processes shows qualitative agreement with theoretical predictions for such a mechanism, although the system is complicated by adsorption phenomena. The complex Hg^II(S₂COC₄H₉)₂ has actually been isolated, and strong evidence for the existence of Hg^II(S₂COR)₃^- complexes has been obtained. Behaviour in other media is briefly reported.

Original language	English
Pages (from-to)	71-80
Number of pages	10
Journal	Journal of Electroanalytical Chemistry
Volume	48
Issue number	1
DOIs	https://doi.org/10.1016/S0022-0728(73)80296-7
Publication status	Published - 10 Nov 1973
Externally published	Yes

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10.1016/S0022-0728(73)80296-7

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@article{4ee48e61deb3462798667a5b31a152a7,

title = "Polarography of O-alkylxanthates in acetone: Evidence for existence of tris(o-alkylxanthato) mercury(II) complexes",

abstract = "Polarographic investigation of a series of potassium O-alkylxanthates in acetone has shown that they undergo the following processes at a mercury electrode. 2Hg0+6ROCS22Hg(S2COR)3-+4e. 2HgII(S2COR)3-+Hg02HgII(S2COR)2+2e (where R is an alkyl group). Analysis of the two waves corresponding to these processes shows qualitative agreement with theoretical predictions for such a mechanism, although the system is complicated by adsorption phenomena. The complex HgII(S2COC4H9)2 has actually been isolated, and strong evidence for the existence of HgII(S2COR)3- complexes has been obtained. Behaviour in other media is briefly reported.",

author = "Bond, {A. M.} and Casey, {A. T.} and Thackeray, {J. R.}",

year = "1973",

month = nov,

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journal = "Journal of Electroanalytical Chemistry",

issn = "1572-6657",

publisher = "Elsevier",

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TY - JOUR

T1 - Polarography of O-alkylxanthates in acetone

T2 - Evidence for existence of tris(o-alkylxanthato) mercury(II) complexes

AU - Bond, A. M.

AU - Casey, A. T.

AU - Thackeray, J. R.

PY - 1973/11/10

Y1 - 1973/11/10

N2 - Polarographic investigation of a series of potassium O-alkylxanthates in acetone has shown that they undergo the following processes at a mercury electrode. 2Hg0+6ROCS22Hg(S2COR)3-+4e. 2HgII(S2COR)3-+Hg02HgII(S2COR)2+2e (where R is an alkyl group). Analysis of the two waves corresponding to these processes shows qualitative agreement with theoretical predictions for such a mechanism, although the system is complicated by adsorption phenomena. The complex HgII(S2COC4H9)2 has actually been isolated, and strong evidence for the existence of HgII(S2COR)3- complexes has been obtained. Behaviour in other media is briefly reported.

AB - Polarographic investigation of a series of potassium O-alkylxanthates in acetone has shown that they undergo the following processes at a mercury electrode. 2Hg0+6ROCS22Hg(S2COR)3-+4e. 2HgII(S2COR)3-+Hg02HgII(S2COR)2+2e (where R is an alkyl group). Analysis of the two waves corresponding to these processes shows qualitative agreement with theoretical predictions for such a mechanism, although the system is complicated by adsorption phenomena. The complex HgII(S2COC4H9)2 has actually been isolated, and strong evidence for the existence of HgII(S2COR)3- complexes has been obtained. Behaviour in other media is briefly reported.

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